view plotEig.m @ 1171:393ed30866a1 feature/rv

Actually return coarse grid operators from constructDiffOpsMultiGrid
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 28 Jun 2019 13:18:58 +0200
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