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view semiDefIneq.m @ 1083:a22b23098021 feature/laplace1dUpdate

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Divide interface penalty strength by 4, to make it sharp. Stability verified by eigenvalue computations.
author Martin Almquist <malmquist@stanford.edu>
date Tue, 05 Mar 2019 12:41:50 -0800
parents eaf557023fbe
children
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function ineq = semiDefIneq(A, verbose)
    default_arg('verbose', true);
    [m, sub] = minors(A, verbose);

    ineqsys = true;
    for i = 1:length(m)
        ineqsys = ineqsys & m(i) >= 0;
    end

    ineq = simplify(ineqsys);

    str = toString(ineq);
    fprintf('%s\n',strjoin(strsplit(str,' & '), '\n'));
end