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view spdiag.m @ 709:f004b9e9d17a feature/quantumTriangles

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changed a sign in penalty and closure, most probably everything blows up now...
author Ylva Rydin <ylva.rydin@telia.com>
date Tue, 21 Nov 2017 17:04:07 +0100
parents 8e0067aef5b0
children e76321b89c1e
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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