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annotate plotEig.m @ 1029:dce08a74e0ad feature/advectionRV

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Create a separate class of RungekuttaExteriorRV which uses BDFs for computing the time derivative. Remove BDFs from RungekuttaExteriorRV
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 11 Jan 2019 15:47:10 +0100
parents 7067bf8adbfa
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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64
7067bf8adbfa Fixed some typing and added function to plot eigen values of a matrix.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
1 % Plots all the eigen values for a sparse matrix.
7067bf8adbfa Fixed some typing and added function to plot eigen values of a matrix.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
2 function plotEig(A)
7067bf8adbfa Fixed some typing and added function to plot eigen values of a matrix.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
3 e = eig(full(A));
7067bf8adbfa Fixed some typing and added function to plot eigen values of a matrix.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
4 e = sort(e);
7067bf8adbfa Fixed some typing and added function to plot eigen values of a matrix.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
5 plot(e,'.')
7067bf8adbfa Fixed some typing and added function to plot eigen values of a matrix.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
6 end