NAME

diag - get diagonal part of a matrix

DESCRIPTION

This function get the diagonal part of a matrix.

        csr<Float> a;


        dia<Float> d = diag(a);

TODO

Build a csr matrix from a diagonal one or from a vector:

        dia<Float> d;


        csr<Float> a = diag(d);


        vec<Float> u;


        csr<Float> b = diag(u);

IMPLEMENTATION

template<class T, class M>
dia<T,M> diag (const csr<T,M>& a)

COPYRIGHT

Copyright (C) 2000-2018 Pierre Saramito <Pierre.Saramito@imag.fr> GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.