711 lines
17 KiB
C
711 lines
17 KiB
C
/* Code written by Lorenzo Torresani and Shoumen Saha */
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#include <stdio.h>
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#include <math.h>
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#include <string.h>
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#include "mat.h"
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#include "mex.h"
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#define IN
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#define OUT
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#define MYDEBUG 0
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static mxArray * McomputeH(int nargout_,
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const mxArray * Uc,
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const mxArray * Vc,
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const mxArray * E_z,
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const mxArray * E_zz,
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const mxArray * RR);
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void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
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{
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if (nlhs > 1) {
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mexErrMsgTxt(
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"Run-time Error: File: computeh Line: 1 Column:"
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" 1 The function \"computeh\" was called with"
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" more than the declared number of outputs (1).");
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}
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if (nrhs > 5) {
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mexErrMsgTxt(
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"Run-time Error: File: computeh Line: 1 Column:"
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" 1 The function \"computeh\" was called with"
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" more than the declared number of inputs (5).");
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}
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plhs[0] = McomputeH(nlhs, prhs[0], prhs[1], prhs[2], prhs[3], prhs[4]);
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}
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double ** getMxArray(IN const mxArray *mxArr,
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OUT int *rows,
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OUT int *cols)
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{
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int i, j, numDim;
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double *arrDataPt, **matrix;
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if((numDim = mxGetNumberOfDimensions(mxArr)) != 2)
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{
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printf("Input matrix has %d dimensions, not 2!\n", numDim);
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return NULL;
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}
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*rows = mxGetM(mxArr);
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*cols = mxGetN(mxArr);
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if(((matrix = (double **) malloc(sizeof(double *)*(*rows))) == NULL) ||
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((matrix[0] = (double *) malloc(sizeof(double)*(*rows)*(*cols))) == NULL))
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return NULL;
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for(i=1; i<(*rows); i++)
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matrix[i] = matrix[0] + i*(*cols);
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arrDataPt = mxGetPr(mxArr);
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for(j=0; j<(*cols); j++)
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for(i=0; i<(*rows); i++)
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matrix[i][j] = *(arrDataPt ++);
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return matrix;
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}
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mxArray * putMxArray(double *img, int rows, int cols/*, char *nameImg*/)
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{
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int i, j;
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double *ptr;
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mxArray *mxArr;
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mxArr = mxCreateDoubleMatrix(rows, cols, mxREAL);
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ptr = mxGetPr(mxArr);
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for(j=0; j<cols; j++)
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for(i=0; i<rows; i++)
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*(ptr ++) = img[i*cols + j];
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/*mxSetPr(mxArr, data);*/
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/*mxSetName(mxArr, nameImg);*/
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return mxArr;
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}
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double ** createMatrix(IN int rows,
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IN int cols)
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{
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int i;
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double **matrix;
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if(((matrix = (double **) malloc(sizeof(double *)*rows)) == NULL) ||
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((matrix[0] = (double *) malloc(sizeof(double)*rows*cols)) == NULL))
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return NULL;
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for(i=1; i<rows; i++)
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matrix[i] = matrix[0] + i*cols;
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memset(matrix[0], 0, sizeof(double)*rows*cols);
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return matrix;
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}
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int ** createIntMatrix(IN int rows,
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IN int cols)
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{
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int i;
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int **matrix;
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if(((matrix = (int **) malloc(sizeof(int *)*rows)) == NULL) ||
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((matrix[0] = (int *) malloc(sizeof(int)*rows*cols)) == NULL))
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return NULL;
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for(i=1; i<rows; i++)
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matrix[i] = matrix[0] + i*cols;
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memset(matrix[0], 0, sizeof(int)*rows*cols);
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return matrix;
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}
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void freeMatrix(IN double **matrix)
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{
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free(*matrix);
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free(matrix);
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}
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void freeIntMatrix(IN int **matrix)
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{
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free(*matrix);
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free(matrix);
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}
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void IO_MLabCreateFile(char *fileName)
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{
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MATFile *fp;
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fp = matOpen(fileName, "w");
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matClose(fp);
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}
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void IO_MLabWriteDoubleImg(char *fileName, char *nameImg, double *img, int rows, int cols)
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{
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MATFile *fp;
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int i, j, dims[2];
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double *ptr;
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mxArray *mxArr;
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dims[0] = rows;
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dims[1] = cols;
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fp = matOpen(fileName, "u");
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mxArr = mxCreateNumericArray(2, dims, mxDOUBLE_CLASS, mxREAL);
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ptr = mxGetPr(mxArr);
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for(j=0; j<cols; j++)
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for(i=0; i<rows; i++)
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*(ptr ++) = img[i*cols + j];
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/*mxSetName(mxArr, nameImg);
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matPutArray(fp, mxArr);*/
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matPutVariable(fp, nameImg, mxArr);
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matClose(fp);
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mxDestroyArray(mxArr);
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}
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void kron(IN int rowsA,
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IN int colsA,
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IN double **A,
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IN int rowsB,
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IN int colsB,
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IN double **B,
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IN int rowsC,
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IN int colsC,
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OUT double **C)
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{
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int i, j, k, l;
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if ((rowsC != (rowsA*rowsB)) || (colsC != (colsA*colsB)))
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{
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printf("kron: incompatible matrix size\n");
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return;
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}
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for(i=0; i<rowsA; i++)
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for(k=0; k<rowsB; k++)
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for(j=0; j<colsA; j++)
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for(l=0; l<colsB; l++)
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C[rowsB*i+k][colsB*j+l] = A[i][j]*B[k][l];
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}
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double conjgradient(IN int n,
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IN double **A,
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IN double **b,
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IN int i_max, /* max # iterations */
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IN double epsilon, /* error tolerance */
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IN OUT double **x)
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{
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//my conjugate gradient solver for .5*x'*A*x -b'*x, based on the
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// tutorial by Jonathan Shewchuk
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//FILE * fd;
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int i=0, numrecompute, row, col;
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double Ax, delta_old, delta_new, delta_0, **r, **d, **q, alpha, alpha_denom, beta;
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r = createMatrix(1, n);
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d = createMatrix(1, n);
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q = createMatrix(1, n);
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/* r = b - A*x */
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/* delta_new = r'*r */
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delta_new = 0;
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for (row=0; row<n; row++)
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{
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Ax = 0;
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for (col=0; col<n; col++)
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Ax += A[row][col]*x[0][col];
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d[0][row] = r[0][row] = b[0][row] - Ax;
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delta_new += r[0][row]*r[0][row];
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}
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delta_0 = delta_new;
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numrecompute = (int) sqrt((double) n);
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// printf("numrecompute = %d\n",numrecompute);
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//fd = fopen("err.txt", "w");
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while ((i < i_max) && (delta_new > epsilon*epsilon*delta_0))
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{
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//printf("Step %d, delta_new = %f \r",i,delta_new);
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//fprintf(fd, "%d %f\n", i, (float)delta_new);
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/* q = A*d */
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alpha_denom = 0;
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for (row=0; row<n; row++)
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{
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q[0][row] = 0;
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for (col=0; col<n; col++)
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q[0][row] += A[row][col]*d[0][col];
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alpha_denom += d[0][row]*q[0][row];
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}
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alpha = delta_new / alpha_denom;
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/* x += d*alpha */
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for (row=0; row<n; row++)
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x[0][row] += alpha*d[0][row];
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if (i % numrecompute == 0)
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{
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/* r = b - A*x */
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for (row=0; row<n; row++)
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{
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Ax = 0;
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for (col=0; col<n; col++)
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Ax += A[row][col]*x[0][col];
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r[0][row] = b[0][row] - Ax;
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}
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}
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else
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{
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/* r = r-q*alpha; */
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for (row=0; row<n; row++)
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r[0][row] -= alpha*q[0][row];
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}
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delta_old = delta_new;
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/* delta_new = r'*r */
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delta_new = 0;
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for (row=0; row<n; row++)
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delta_new += r[0][row]*r[0][row];
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beta = delta_new/delta_old;
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/* d = r + beta*d */
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for (row=0; row<n; row++)
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d[0][row] = r[0][row] + beta*d[0][row];
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i++;
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}
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//fclose(fd);
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freeMatrix(r);
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freeMatrix(d);
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freeMatrix(q);
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return delta_new;
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}
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double conjgradient2(IN int n,
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IN double **A,
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IN double **b,
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IN int i_max, /* max # iterations */
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IN double epsilon, /* error tolerance */
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IN int k,
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IN OUT double **x)
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{
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//my conjugate gradient solver for .5*x'*A*x -b'*x, based on the
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// tutorial by Jonathan Shewchuk (or is it +b'*x?)
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//FILE * fd;
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int i=0, numrecompute, row, sparsity_offset, j, ind, col_offset;
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double Ax, delta_old, delta_new, delta_0, **r, **d, **q, alpha, alpha_denom, beta;
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r = createMatrix(1, n);
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d = createMatrix(1, n);
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q = createMatrix(1, n);
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sparsity_offset = n / (k+1);
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/* r = b - A*x */
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/* delta_new = r'*r */
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delta_new = 0;
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for (row=0; row<n; row++)
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{
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Ax = 0;
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col_offset = ((row%sparsity_offset)/3) * 3;
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for (j=0; j<(k+1); j++)
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{
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ind = col_offset + j*sparsity_offset;
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Ax += A[row][ind]*x[0][ind] + A[row][ind+1]*x[0][ind+1] + A[row][ind+2]*x[0][ind+2];
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}
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d[0][row] = r[0][row] = b[0][row] - Ax;
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delta_new += r[0][row]*r[0][row];
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}
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delta_0 = delta_new;
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numrecompute = (int) sqrt((double) n);
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// printf("numrecompute = %d\n",numrecompute);
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//fd = fopen("err.txt", "w");
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while ((i < i_max) && (delta_new > epsilon*epsilon*delta_0))
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{
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//printf("Step %d, delta_new = %f \r",i,delta_new);
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//fprintf(fd, "%d %f\n", i, (float)delta_new);
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/* q = A*d */
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alpha_denom = 0;
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for (row=0; row<n; row++)
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{
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q[0][row] = 0;
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col_offset = ((row%sparsity_offset)/3) * 3;
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for (j=0; j<(k+1); j++)
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{
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ind = col_offset + j*sparsity_offset;
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q[0][row] += A[row][ind]*d[0][ind] + A[row][ind+1]*d[0][ind+1] + A[row][ind+2]*d[0][ind+2];
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}
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alpha_denom += d[0][row]*q[0][row];
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}
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alpha = delta_new / alpha_denom;
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/* x += d*alpha */
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for (row=0; row<n; row++)
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x[0][row] += alpha*d[0][row];
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if (i % numrecompute == 0)
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{
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/* r = b - A*x */
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for (row=0; row<n; row++)
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{
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Ax = 0;
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col_offset = ((row%sparsity_offset)/3) * 3;
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for (j=0; j<(k+1); j++)
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{
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ind = col_offset + j*sparsity_offset;
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Ax += A[row][ind]*x[0][ind] + A[row][ind+1]*x[0][ind+1] + A[row][ind+2]*x[0][ind+2];
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}
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r[0][row] = b[0][row] - Ax;
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}
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}
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else
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{
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/* r = r-q*alpha; */
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for (row=0; row<n; row++)
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r[0][row] -= alpha*q[0][row];
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}
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delta_old = delta_new;
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/* delta_new = r'*r */
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delta_new = 0;
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for (row=0; row<n; row++)
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delta_new += r[0][row]*r[0][row];
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beta = delta_new/delta_old;
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/* d = r + beta*d */
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for (row=0; row<n; row++)
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d[0][row] = r[0][row] + beta*d[0][row];
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i++;
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}
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//fclose(fd);
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freeMatrix(r);
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freeMatrix(d);
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freeMatrix(q);
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return delta_new;
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}
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static mxArray * McomputeH(int nargout_,
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const mxArray * Uc,
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const mxArray * Vc,
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const mxArray * E_z,
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const mxArray * E_zz,
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const mxArray * RR) {
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double **Ucc, **Vcc, **E_zc, **E_zzc, **RRc, **KK1c, **KK2c, **kk3c, **P_tc, **R_tc, **zz_hat_tc, **Tmp1c, **Tmp2c, **vecH_hatc=NULL,
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delta_err, epsilon;
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int tc, Fc, Nc, junk1, junk2, kc, ic, jc, ii, jj, kk, ll, i_max, **sparsityMap;
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mxArray * vecH_hat = NULL;
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mxArray * KK1 = NULL;
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mxArray * R_t = NULL;
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mxArray * P_t = NULL;
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mxArray * t = NULL;
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mxArray * KK2 = NULL;
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mxArray * F = NULL;
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mxArray * N = NULL;
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mxArray * k = NULL;
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#if MYDEBUG
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#define DEBUGFILENAME ".\\debug.mat"
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IO_MLabCreateFile(DEBUGFILENAME);
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#endif
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Ucc = getMxArray(Uc, &Fc, &Nc);
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#if MYDEBUG
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IO_MLabWriteDoubleImg(DEBUGFILENAME, "Ucc", Ucc[0], Fc, Nc);
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#endif
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Vcc = getMxArray(Vc, &junk1, &junk2);
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#if MYDEBUG
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IO_MLabWriteDoubleImg(DEBUGFILENAME, "Vcc", Vcc[0], Fc, Nc);
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#endif
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E_zc = getMxArray(E_z, &kc, &junk1);
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#if MYDEBUG
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IO_MLabWriteDoubleImg(DEBUGFILENAME, "E_zc", E_zc[0], kc, Fc);
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#endif
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E_zzc = getMxArray(E_zz, &junk1, &junk2);
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#if MYDEBUG
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IO_MLabWriteDoubleImg(DEBUGFILENAME, "E_zzc", E_zzc[0], kc*Fc, kc);
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#endif
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RRc = getMxArray(RR, &junk1, &junk2);
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#if MYDEBUG
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IO_MLabWriteDoubleImg(DEBUGFILENAME, "RRc", RRc[0], 2*Fc, 3);
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#endif
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/*
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* KK2 = zeros(3*N*(k+1), 3*N*(k+1));
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*/
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KK2c = createMatrix(3*Nc*(kc+1), 3*Nc*(kc+1));
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/*
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* KK3 = zeros(3*N, k+1);
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*/
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kk3c = createMatrix(1,3*Nc*(kc+1));
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P_tc = createMatrix(1, 2*Nc);
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zz_hat_tc = createMatrix(kc+1, kc+1);
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R_tc = createMatrix(2, 3);
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KK1c = createMatrix(2*Nc, 3*Nc);
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Tmp1c = createMatrix(3*Nc, 3*Nc);
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Tmp2c = createMatrix(1, 3*Nc);
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for(tc=0; tc<Fc; tc++)
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{
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/*
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* P_t = [Uc(t,:); Vc(t,:)];
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*/
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memset(P_tc[0], 0, sizeof(double)*2*Nc);
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for(jc=0; jc<Nc; jc++)
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{
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P_tc[0][2*jc] = Ucc[tc][jc];
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P_tc[0][2*jc+1] = Vcc[tc][jc];
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}
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#if MYDEBUG
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IO_MLabWriteDoubleImg(DEBUGFILENAME, "P_tc", P_tc[0], 1, 2*Nc);
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#endif
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/*
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* zz_hat_t = [1 E_z(:,t)'; E_z(:,t) E_zz((t-1)*k+1:t*k,:)];
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*/
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memset(zz_hat_tc[0], 0, sizeof(double)*(kc+1)*(kc+1));
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zz_hat_tc[0][0] = 1;
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for(jc=1; jc<kc+1; jc++)
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{
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zz_hat_tc[jc][0] = E_zc[jc-1][tc];
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|
zz_hat_tc[0][jc] = E_zc[jc-1][tc];
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|
}
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|
for(ic=1; ic<kc+1; ic++)
|
|
{
|
|
for(jc=1; jc<kc+1; jc++)
|
|
{
|
|
zz_hat_tc[ic][jc] = E_zzc[tc*kc + (ic-1)][jc-1];
|
|
}
|
|
}
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|
#if MYDEBUG
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|
IO_MLabWriteDoubleImg(DEBUGFILENAME, "zz_hat_tc", zz_hat_tc[0], kc+1, kc+1);
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|
#endif
|
|
|
|
/*
|
|
* R_t = [RR(t, :); RR(t+F, :)];
|
|
*/
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|
for(jc=0; jc<3; jc++)
|
|
{
|
|
R_tc[0][jc] = RRc[tc][jc];
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|
R_tc[1][jc] = RRc[tc+Fc][jc];
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|
}
|
|
|
|
/*
|
|
* KK1 = kron(speye(N), R_t);
|
|
*/
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|
memset(KK1c[0], 0, sizeof(double)*2*Nc*3*Nc);
|
|
for(ic=0; ic<Nc; ic++)
|
|
{
|
|
KK1c[ic*2][ic*3] = R_tc[0][0];
|
|
KK1c[ic*2][ic*3+1] = R_tc[0][1];
|
|
KK1c[ic*2][ic*3+2] = R_tc[0][2];
|
|
KK1c[ic*2+1][ic*3] = R_tc[1][0];
|
|
KK1c[ic*2+1][ic*3+1] = R_tc[1][1];
|
|
KK1c[ic*2+1][ic*3+2] = R_tc[1][2];
|
|
}
|
|
#if MYDEBUG
|
|
IO_MLabWriteDoubleImg(DEBUGFILENAME, "KK1c", KK1c[0], 2*Nc, 3*Nc);
|
|
#endif
|
|
|
|
/* computes KK1'*KK1 */
|
|
memset(Tmp1c[0], 0, sizeof(double)*3*Nc*3*Nc);
|
|
Tmp1c[0][0] = KK1c[0][0]*KK1c[0][0] + KK1c[1][0]*KK1c[1][0];
|
|
Tmp1c[0][1] = KK1c[0][0]*KK1c[0][1] + KK1c[1][0]*KK1c[1][1];
|
|
Tmp1c[0][2] = KK1c[0][0]*KK1c[0][2] + KK1c[1][0]*KK1c[1][2];
|
|
|
|
|
|
Tmp1c[1][0] = KK1c[0][1]*KK1c[0][0] + KK1c[1][1]*KK1c[1][0];
|
|
Tmp1c[1][1] = KK1c[0][1]*KK1c[0][1] + KK1c[1][1]*KK1c[1][1];
|
|
Tmp1c[1][2] = KK1c[0][1]*KK1c[0][2] + KK1c[1][1]*KK1c[1][2];
|
|
|
|
Tmp1c[2][0] = KK1c[0][2]*KK1c[0][0] + KK1c[1][2]*KK1c[1][0];
|
|
Tmp1c[2][1] = KK1c[0][2]*KK1c[0][1] + KK1c[1][2]*KK1c[1][1];
|
|
Tmp1c[2][2] = KK1c[0][2]*KK1c[0][2] + KK1c[1][2]*KK1c[1][2];
|
|
for(ic=1; ic<Nc; ic++)
|
|
{
|
|
Tmp1c[ic*3][ic*3] = Tmp1c[0][0];
|
|
Tmp1c[ic*3][ic*3+1] = Tmp1c[0][1];
|
|
Tmp1c[ic*3][ic*3+2] = Tmp1c[0][2];
|
|
|
|
|
|
Tmp1c[ic*3+1][ic*3] = Tmp1c[1][0];
|
|
Tmp1c[ic*3+1][ic*3+1] = Tmp1c[1][1];
|
|
Tmp1c[ic*3+1][ic*3+2] = Tmp1c[1][2];
|
|
|
|
Tmp1c[ic*3+2][ic*3] = Tmp1c[2][0];
|
|
Tmp1c[ic*3+2][ic*3+1] = Tmp1c[2][1];
|
|
Tmp1c[ic*3+2][ic*3+2] = Tmp1c[2][2];
|
|
}
|
|
#if MYDEBUG
|
|
IO_MLabWriteDoubleImg(DEBUGFILENAME, "Tmp1c", Tmp1c[0], 3*Nc, 3*Nc);
|
|
#endif
|
|
|
|
/*
|
|
* KK2 = KK2 + kron(zz_hat_t', KK1'*KK1);
|
|
*/
|
|
|
|
/*for(ii=0; ii<(kc+1); ii++)
|
|
for(kk=0; kk<(3*Nc); kk++)
|
|
for(jj=0; jj<(kc+1); jj++)
|
|
for(ll=0; ll<(3*Nc); ll++)
|
|
KK2c[(3*Nc)*ii+kk][(3*Nc)*jj+ll] += zz_hat_tc[ii][jj]*Tmp1c[kk][ll];*/
|
|
for(ii=0; ii<(kc+1); ii++)
|
|
for(kk=0; kk<Nc; kk++)
|
|
for(jj=0; jj<(kc+1); jj++)
|
|
{
|
|
KK2c[(3*Nc)*ii+kk*3][(3*Nc)*jj+kk*3] += zz_hat_tc[ii][jj]*Tmp1c[kk*3][kk*3];
|
|
KK2c[(3*Nc)*ii+kk*3][(3*Nc)*jj+kk*3+1] += zz_hat_tc[ii][jj]*Tmp1c[kk*3][kk*3+1];
|
|
KK2c[(3*Nc)*ii+kk*3][(3*Nc)*jj+kk*3+2] += zz_hat_tc[ii][jj]*Tmp1c[kk*3][kk*3+2];
|
|
|
|
KK2c[(3*Nc)*ii+kk*3+1][(3*Nc)*jj+kk*3] += zz_hat_tc[ii][jj]*Tmp1c[kk*3+1][kk*3];
|
|
KK2c[(3*Nc)*ii+kk*3+1][(3*Nc)*jj+kk*3+1] += zz_hat_tc[ii][jj]*Tmp1c[kk*3+1][kk*3+1];
|
|
KK2c[(3*Nc)*ii+kk*3+1][(3*Nc)*jj+kk*3+2] += zz_hat_tc[ii][jj]*Tmp1c[kk*3+1][kk*3+2];
|
|
|
|
KK2c[(3*Nc)*ii+kk*3+2][(3*Nc)*jj+kk*3] += zz_hat_tc[ii][jj]*Tmp1c[kk*3+2][kk*3];
|
|
KK2c[(3*Nc)*ii+kk*3+2][(3*Nc)*jj+kk*3+1] += zz_hat_tc[ii][jj]*Tmp1c[kk*3+2][kk*3+1];
|
|
KK2c[(3*Nc)*ii+kk*3+2][(3*Nc)*jj+kk*3+2] += zz_hat_tc[ii][jj]*Tmp1c[kk*3+2][kk*3+2];
|
|
}
|
|
#if MYDEBUG
|
|
IO_MLabWriteDoubleImg(DEBUGFILENAME, "KK2c", KK2c[0], 3*Nc*(kc+1), 3*Nc*(kc+1));
|
|
#endif
|
|
|
|
|
|
/*
|
|
* KK3 = KK3 + KK1'* P_t(:) * [1 E_z(:,t)'];
|
|
*/
|
|
|
|
/* computes KK1'*P_t(:) */
|
|
memset(Tmp2c[0], 0, sizeof(double)*3*Nc);
|
|
for(ic=0; ic<Nc; ic++)
|
|
{
|
|
Tmp2c[0][3*ic] = KK1c[2*ic][3*ic]*P_tc[0][2*ic] + KK1c[2*ic+1][3*ic]*P_tc[0][2*ic+1];
|
|
Tmp2c[0][3*ic+1] = KK1c[2*ic][3*ic+1]*P_tc[0][2*ic] + KK1c[2*ic+1][3*ic+1]*P_tc[0][2*ic+1];
|
|
Tmp2c[0][3*ic+2] = KK1c[2*ic][3*ic+2]*P_tc[0][2*ic] + KK1c[2*ic+1][3*ic+2]*P_tc[0][2*ic+1];
|
|
}
|
|
#if MYDEBUG
|
|
IO_MLabWriteDoubleImg(DEBUGFILENAME, "Tmp2c", Tmp2c[0], 1, 3*Nc);
|
|
#endif
|
|
|
|
for(ic=0; ic<3*Nc; ic++)
|
|
{
|
|
/*KK3c[ic][0] = KK3c[ic][0] + Tmp2c[0][ic];*/
|
|
kk3c[0][ic] = kk3c[0][ic] + Tmp2c[0][ic];
|
|
|
|
for(jc=1; jc<(kc+1); jc++)
|
|
/*KK3c[ic][jc] = KK3c[ic][jc] + Tmp2c[0][ic]*E_zc[jc-1][tc];*/
|
|
kk3c[0][ic + jc*(3*Nc)] = kk3c[0][ic + jc*(3*Nc)] + Tmp2c[0][ic]*E_zc[jc-1][tc];
|
|
}
|
|
#if MYDEBUG
|
|
IO_MLabWriteDoubleImg(DEBUGFILENAME, "kk3c", kk3c[0], 1, 3*Nc*(kc+1));
|
|
#endif
|
|
|
|
|
|
//printf("debug\n");
|
|
|
|
}
|
|
|
|
|
|
freeMatrix(Ucc);
|
|
freeMatrix(Vcc);
|
|
freeMatrix(E_zc);
|
|
freeMatrix(E_zzc);
|
|
freeMatrix(RRc);
|
|
freeMatrix(KK1c);
|
|
freeMatrix(P_tc);
|
|
freeMatrix(R_tc);
|
|
freeMatrix(zz_hat_tc);
|
|
freeMatrix(Tmp1c);
|
|
freeMatrix(Tmp2c);
|
|
|
|
|
|
vecH_hatc = createMatrix(1, 3*Nc*(kc+1));
|
|
for(ic=0; ic<3*Nc; ic++)
|
|
vecH_hatc[0][ic] = (double) rand() / (double) RAND_MAX;
|
|
|
|
epsilon = 0.000000001;
|
|
i_max = 1000;
|
|
|
|
//sparsityMap = createIntMatrix(3*Nc*(kc+1), 3*Nc*(kc+1)+1);
|
|
//getSparsityMap(3*Nc*(kc+1), 3*Nc*(kc+1), KK2c, sparsityMap);
|
|
|
|
//delta_err = conjgradient(3*Nc*(kc+1), KK2c, kk3c, i_max, epsilon, vecH_hatc);
|
|
delta_err = conjgradient2(3*Nc*(kc+1), KK2c, kk3c, i_max, epsilon, kc, vecH_hatc);
|
|
|
|
if (delta_err>0.01)
|
|
printf("Large CG error\n");
|
|
|
|
vecH_hat = mxCreateDoubleMatrix(3*Nc*(kc+1), 1, mxREAL);
|
|
memcpy(mxGetPr(vecH_hat), vecH_hatc[0], sizeof(double)*3*Nc*(kc+1));
|
|
|
|
freeMatrix(KK2c);
|
|
freeMatrix(kk3c);
|
|
freeMatrix(vecH_hatc);
|
|
|
|
return vecH_hat;
|
|
}
|