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view spdiag.m @ 257:5714fda0db85 operator_remake

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Bug fix 12th order 2nd der.
author Martin Almquist <martin.almquist@it.uu.se>
date Wed, 07 Sep 2016 16:46:20 +0200
parents 9c0192cf099f
children 8e0067aef5b0
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function A = spdiag(a,i)
    default_arg('i',0);
    n = length(a)-abs(i);
    A = spdiags(a,i,n,n);
end