Namespaces | Functions
svdstep_base.h File Reference

File for SVD decomposition. More...

Go to the source code of this file.

Namespaces

 o2scl_linalg
 The namespace for linear algebra classes and functions.
 

Functions

template<class vec_t , class vec2_t >
void o2scl_linalg::chop_small_elements (size_t N, vec_t &d, vec2_t &f)
 Zero out small elements in f according to the scales set in d. More...
 
template<class vec_t , class vec2_t >
double o2scl_linalg::trailing_eigenvalue (size_t n, const vec_t &d, const vec2_t &f)
 Desc. More...
 
void o2scl_linalg::create_schur (double d0, double f0, double d1, double &c, double &s)
 Desc. More...
 
template<class vec_t , class vec2_t , class mat_t , class mat2_t >
void o2scl_linalg::svd2 (size_t M, size_t N, vec_t &d, vec2_t &f, mat_t &U, mat2_t &V)
 2-variable SVD More...
 
template<class vec_t , class vec2_t , class mat_t , class mat2_t >
void o2scl_linalg::svd2_sub (size_t M, size_t N, vec_t &d, vec2_t &f, mat_t &U, mat2_t &V, size_t a)
 Shifted 2-variable SVD. More...
 
template<class vec_t , class vec2_t , class mat_t >
void o2scl_linalg::chase_out_intermediate_zero (size_t M, size_t n, vec_t &d, vec2_t &f, mat_t &U, size_t k0)
 Desc. More...
 
template<class vec_t , class vec2_t , class mat_t >
void o2scl_linalg::chase_out_trailing_zero (size_t N, size_t n, vec_t &d, vec2_t &f, mat_t &V)
 Desc. More...
 
template<class vec_t , class vec2_t , class mat_t >
void o2scl_linalg::chase_out_trailing_zero_sub (size_t N, size_t n, vec_t &d, vec2_t &f, mat_t &V, size_t a)
 Desc. More...
 
template<class vec_t , class vec2_t , class mat_t , class mat2_t >
void o2scl_linalg::qrstep (size_t M, size_t N, size_t n, vec_t &d, vec2_t &f, mat_t &U, mat2_t &V)
 Desc. More...
 
template<class vec_t , class vec2_t , class mat_t , class mat2_t >
void o2scl_linalg::qrstep_sub (size_t M, size_t N, size_t n, vec_t &d, vec2_t &f, mat_t &U, mat2_t &V, size_t a)
 A special form of qrstep() for SV_decomp() More...
 

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