Mercurial > repos > public > sbplib

view semiDefIneq.m @ 851:ab2e5a24ddde feature/burgers1d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
- Fix bug when constructing closure for narrow stencils - Update the residual outside of the RK time steps. At least for the inner convergence rate, updating the residual inside does not seem to be required.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 21 Sep 2018 15:33:15 +0200
parents eaf557023fbe
children
line wrap: on
line source

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