Mercurial > repos > public > sbplib

view spdiag.m @ 561:3a13916f8ff0 feature/grids/laplace_refactor

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Switch to using boundary ops for normal derivative
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 29 Aug 2017 13:10:57 +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