Mercurial > repos > public > sbplib

annotate semiDefIneq.m @ 774:66eb4a2bbb72 feature/grids

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Remove default scaling of the system. The scaling doens't seem to help actual solutions. One example that fails in the flexural code. With large timesteps the solutions seems to blow up. One particular example is profilePresentation on the tdb_presentation_figures branch with k = 0.0005
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 18 Jul 2018 15:42:52 -0700
parents eaf557023fbe
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
234
eaf557023fbe Added verbose flag to semiDefIneq and minors.
Jonatan Werpers <jonatan@werpers.com>
parents: 129
diff changeset
1 function ineq = semiDefIneq(A, verbose)
eaf557023fbe Added verbose flag to semiDefIneq and minors.
Jonatan Werpers <jonatan@werpers.com>
parents: 129
diff changeset
2 default_arg('verbose', true);
eaf557023fbe Added verbose flag to semiDefIneq and minors.
Jonatan Werpers <jonatan@werpers.com>
parents: 129
diff changeset
3 [m, sub] = minors(A, verbose);
129
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
4
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
5 ineqsys = true;
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
6 for i = 1:length(m)
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
7 ineqsys = ineqsys & m(i) >= 0;
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
8 end
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
9
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
10 ineq = simplify(ineqsys);
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
11
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
12 str = toString(ineq);
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
13 fprintf('%s\n',strjoin(strsplit(str,' & '), '\n'));
0a881a3dc9a9 Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
14 end