STATUS: work in progress Linear Algebra. More...
#include "definitions.h"#include "array.h"#include <gsl/gsl_matrix.h>
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Defines | |
| #define | mat_IDX(m, i, j) array_INDEX2( m, double, i, j ) |
| index matrix at i,j. | |
| #define | matrix_CHECK(flag, m) |
| is m a matrix? | |
| #define | matrix_CHECKSQR(flag, m) |
| is m a square matrix? | |
| #define | vec_IDX(v, i) array_INDEX1( v, double, i ) |
| index vector at i. | |
| #define | vector_CHECK(flag, v) |
| is v a vector? | |
Functions | |
| Array * | matrix_get_col (Array *m, int col) |
| get a column of a matrix as vector. | |
| Array * | matrix_get_row (Array *m, int row, bool alloc) |
| get a row of a matrix as vector. | |
| Array * | matrix_mean (Array *a, int dim) |
| calculate the mean of matrix a along dimension dim. | |
| Array * | matrix_mult (const Array *m1, const Array *m2) |
| Matrix Multiplication. | |
| Array * | matrix_pca (Array *X, Array **var, bool alloc) |
| Principal Components analysis. | |
| gsl_matrix * | matrix_to_gsl (Array *in, bool alloc) |
| convert 2D- Array struct to gsl_matrix. | |
| Array * | matrix_transpose (Array *m, bool alloc) |
| Matrix transpose. | |
Detailed Description
STATUS: work in progress Linear Algebra.
- matrices Vectors and Matrices
- 1D and 2D Array structs of DType DOUBLE are used to represent vectors and matrices, respectively. I.e. that each function starting with matrix_*( Array *m ) accepts only 2D Arrays of DType DOUBLE functions starting with vector_*( Array *m ) accept only 1D Arrays of DType DOUBLE. This is checked with the Macros matrix_CHECK() and vector_CHECK().
Definition in file linalg.h.
