cholesky_decomp col_sum column column copy diag diagonal diagonal dimensions fprintf fread fscanf fwrite get_cols get_element get_rows gslobj gslobj LU_decomp LU_invert LU_lndet m matrix matrix matrix matrix operator!= operator() operator() operator* operator* operator* operator*= operator*= operator+ operator+ operator+ operator+= operator+= operator- operator- operator- operator-= operator-= operator/ operator/= operator= operator= operator== row row row_sum set_dimensions set_element set_tridiag set_zero size1 size2 submatrix sum transpose ~matrix

void matrix::set_element ( size_t  row, size_t  col, const double &  v  ) Function that inputs a value for a particular matrix entry. Parameters: row : matrix row index col : matrix column index v : value Example M.set_element(i,j,5.0) sets M(i,j) = 5.0 for Matrix object M.