view plotEig.m @ 1083:a22b23098021 feature/laplace1dUpdate

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 7067bf8adbfa
children
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% Plots all the eigen values for a sparse matrix.
function plotEig(A)
    e = eig(full(A));
    e = sort(e);
    plot(e,'.')
end