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view spdiag.m @ 1087:867307f4d80f feature/laplace_curvilinear_test

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author Martin Almquist <malmquist@stanford.edu>
date Fri, 29 Mar 2019 14:50:50 -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