Mercurial > repos > public > sbplib

view stripeMatrix.m @ 995:10c5eda235b7 feature/timesteppers

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Full use of butcher tableau in time.rk.General. Inline rungekutta step methods
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 09 Jan 2019 22:57:13 +0100
parents 5cb99f56f55e
children
line wrap: on
line source

% Creates a matrix of size n,m with the values of val on the diagonals diag.
%   A = stripeMatrix(val,diags,n,m)
function A = stripeMatrix(val,diags,n,m)
    default_arg('m',n);

    D = ones(n,1)*val;
    A = spdiags(D,diags,n,m);
end