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view semiDefIneq.m @ 958:72cd29107a9a feature/poroelastic

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Temporary changes in multiblock.DiffOp. Change traction operators in Elastic2dvariable to be true boundary operators. But adjoint FD conv test fails for dirichlet BC so need to debug!
author Martin Almquist <malmquist@stanford.edu>
date Wed, 05 Dec 2018 18:58:10 -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