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view spdiag.m @ 1307:fcca6ad8b102 feature/poroelastic

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Add diffOp for viscoElastic
author Martin Almquist <malmquist@stanford.edu>
date Sun, 19 Jul 2020 20:30:16 -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