view spdiag.m @ 836:049e4c6fa630 feature/poroelastic

Add dirac delta function, with corresponding test. Commented out tests for staggered grid because they do not yet exist on this branch.
author Martin Almquist <malmquist@stanford.edu>
date Wed, 05 Sep 2018 14:46:39 -0700
parents e76321b89c1e
children
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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