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view spdiag.m @ 75:ef5c9870f386

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Cleand time.Rungekutta4 a bit.
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 23 Nov 2015 17:32:56 +0100
parents 0be702829bb9
children 9c0192cf099f
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function A = spdiag(a,i)
    n = length(a)-abs(i);
    A = spdiags(a,i,n,n);
end