Mercurial > repos > public > sbplib

view spdiag.m @ 831:d0934d1143b7 feature/burgers1d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix bug in initialization of differential operators
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Tue, 11 Sep 2018 13:24:08 +0200
parents 8e0067aef5b0
children e76321b89c1e
line wrap: on
line source

function A = spdiag(a,i)
    default_arg('i',0);

    if isrow(a)
        a = a';
    end

    n = length(a)-abs(i);
    A = spdiags(a,i,n,n);
end