view spdiag.m @ 647:46c40711830f feature/d1_staggered

Add test for diracDiscr.m
author Martin Almquist <malmquist@stanford.edu>
date Tue, 14 Nov 2017 15:35:28 -0800
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