Mercurial > repos > public > sbplib
annotate semiDefIneq.m @ 577:e45c9b56d50d feature/grids
Add an Empty grid class
The need turned up for the flexural code when we may or may not have a grid for the open water and want to plot that solution.
In case there is no open water we need an empty grid to plot the empty gridfunction against to avoid errors.
author | Jonatan Werpers <jonatan@werpers.com> |
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date | Thu, 07 Sep 2017 09:16:12 +0200 |
parents | eaf557023fbe |
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234
eaf557023fbe
Added verbose flag to semiDefIneq and minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
129
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1 function ineq = semiDefIneq(A, verbose) |
eaf557023fbe
Added verbose flag to semiDefIneq and minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
129
diff
changeset
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2 default_arg('verbose', true); |
eaf557023fbe
Added verbose flag to semiDefIneq and minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
129
diff
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3 [m, sub] = minors(A, verbose); |
129
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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4 |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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5 ineqsys = true; |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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6 for i = 1:length(m) |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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7 ineqsys = ineqsys & m(i) >= 0; |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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8 end |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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9 |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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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
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12 str = toString(ineq); |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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13 fprintf('%s\n',strjoin(strsplit(str,' & '), '\n')); |
0a881a3dc9a9
Cleaned up the code for minors.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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14 end |