Mercurial > repos > public > sbplib

view stripeMatrix.m @ 54:2194cd385419

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Euler1d: Fixed russian dissipation. Cleaned up. Added non-working BC.
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 11 Nov 2015 19:21:38 -0800
parents 0be702829bb9
children 5cb99f56f55e
line wrap: on
line source

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

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