matrix_exp.hpp File Reference

#include "eig_decomp.hpp"
#include "akreon/linalg/linalg_util.hpp"

Include dependency graph for matrix_exp.hpp:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
namespace	linalg

Functions
template<VectorContainer Vec> requires (Complex<vector_element_t<Vec>>)
constexpr auto	linalg::make_group_permutation (const Vec &D, real_type_t< vector_element_t< Vec > > tol=1e-10)
	Group approximately equal eigenvalues into contiguous index runs.
template<std::size_t N>
constexpr auto	linalg::invert_permutation (const Vector< std::size_t, N > &p)
	Invert an index permutation.
template<MatrixContainer Mat>
constexpr auto	linalg::permute_ptjp (const Mat &J, const Vector< std::size_t, mat_rows_v< Mat > > &p)
	Reorder matrix rows and columns by the same permutation.
template<MatrixContainer Mat>
constexpr auto	linalg::unpermute_papt (const Mat &A, const Vector< std::size_t, mat_rows_v< Mat > > &p)
	Scatter matrix entries through a row-and-column permutation.
template<SquareMatrix Mat>
constexpr auto	linalg::matrix_exp (const Mat &A)
	Compute exp(A) using its eigenvector and generalized-eigenvector basis.