本文整理汇总了C++中MATRIX::col方法的典型用法代码示例。如果您正苦于以下问题：C++ MATRIX::col方法的具体用法？C++ MATRIX::col怎么用？C++ MATRIX::col使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MATRIX的用法示例。
在下文中一共展示了MATRIX::col方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: run_Zmatrices_calculation_scattered_field
void run_Zmatrices_calculation_scattered_field(Zmatrices& Z_matrices, UINT Lagrange_degree,
MATRIX M, MATRIX J, GRID& rho, double material_param, const char* result_file)
{
// Simulation parameters
int N_T = Z_matrices.z_N_T;
double dt = Z_matrices.z_dt;
double c = Z_matrices.z_c;
UINT inner_points = 1;
printf("\nSimulation parameters for scattered field:"
"\n\tNumber of grid vertices = %i"
"\n\tMaterial parameter = %e"
"\n\tc = %e"
"\n\tdt = %e"
"\n\tN_T = %i"
"\n\tinner_points = %i"
"\n\tLagrange_degree = %i\n\n",
(int)rho.size(), material_param, c, dt, N_T, inner_points, Lagrange_degree);
// Lagrange interpolators (temporal basis functions)
CLagrange_interp timeBasis = CLagrange_interp(dt, Lagrange_degree);
Z_matrices.timeBasis_D = timeBasis;
CLagrange_interp timeBasis_Ns = timeBasis;
timeBasis_Ns.diff();
Z_matrices.timeBasis_Ns = timeBasis_Ns;
Z_matrices.z_inner_points = inner_points;
// do main computation
cube S, D;
#ifdef OS_WIN
clock_t t;
#else
struct timeval * t = new struct timeval;
#endif
start_timing(t);
Z_matrices.compute_fields(S, D, rho);
S *= material_param;
finish_timing(t);
start_timing(t);
MATRIX rhs(D.n_rows, N_T, fill::zeros);
VECTOR rhs_(D.n_rows, fill::zeros);
printf("%s\n\n", "Marching on in time...");
int j(0), k(0);
//#pragma omp parallel default(shared) private(j,k)
for (j = 0; j < N_T; j++)
{
//#pragma omp for
for (k = 0; k < j+1; k++)
{
rhs_ += D.slice(k)*M.col(j - k) - S.slice(k)*J.col(j - k);
}
rhs.col(j) = rhs_;
rhs_.zeros();
//Status
printf("\r%i ", j + 1);
fflush(stdout);
}
finish_timing(t);
// Output MAT file that stores the operators
printf("Compressing matrices into Matlab form...");
mat_t *matfpZ = NULL;
matvar_t *matvar = NULL;
// Save matrices as separate matlab variables
if (CreateMatFile(&matfpZ, result_file) == -1)
{
return;
}
else
{
double NT = (double)N_T;
InsertVar(&matfpZ, "N_T", &NT);
InsertMatrix(&matfpZ, "E", rhs);
FinishMatFile(&matfpZ);
// free memory
S.clear(), D.clear();
printf("\t- done.\nOutput file location: %s\n\n", result_file);
}
}