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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/InvLinear.java @ 3785:a5f65e8983be

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Merged revisions 5501-5502,5504-5508,5511-5513,5516-5519 via svnmerge from file:///home/clients/bsh/bsh-generischer-viewer/Material/SVN/flys-artifacts/trunk ........ r5501 | felix | 2012-09-18 11:49:45 +0200 (Di, 18 Sep 2012) | 1 line fix issue865 - missing showarea theme prop. ........ r5502 | clins | 2012-09-18 12:18:30 +0200 (Di, 18 Sep 2012) | 1 line Add robustness checks to prevent NPEs ........ r5504 | felix | 2012-09-18 14:03:15 +0200 (Di, 18 Sep 2012) | 1 line i18n for area label (fix issue487). ........ r5505 | clins | 2012-09-18 16:19:59 +0200 (Di, 18 Sep 2012) | 1 line Update themes to show point descriptions ........ r5506 | rrenkert | 2012-09-18 17:00:30 +0200 (Di, 18 Sep 2012) | 3 lines Removed incorrect characteristic diameter. ........ r5507 | rrenkert | 2012-09-18 17:03:20 +0200 (Di, 18 Sep 2012) | 3 lines Fixed some stupid bugs in bed quality data factory and calculation. ........ r5508 | teichmann | 2012-09-18 17:45:49 +0200 (Di, 18 Sep 2012) | 1 line The usual whitespace and import cleanups. ........ r5511 | teichmann | 2012-09-18 18:24:51 +0200 (Di, 18 Sep 2012) | 1 line Use generics aware Collections.emptyList(). ........ r5512 | teichmann | 2012-09-18 20:36:52 +0200 (Di, 18 Sep 2012) | 1 line Some more little steps towards "Auslagerung extremer Wasserspiegellagen". ........ r5513 | clins | 2012-09-18 23:38:19 +0200 (Di, 18 Sep 2012) | 1 line A and B facets of fix analyis are now deactivated by default ........ r5516 | bricks | 2012-09-19 10:45:51 +0200 (Mi, 19 Sep 2012) | 2 lines Add the gauge station to the GaugeOverviewInfoService xml response ........ r5517 | rrenkert | 2012-09-19 10:50:23 +0200 (Mi, 19 Sep 2012) | 3 lines Added CSV export to bed quality calculation. ........ r5518 | bricks | 2012-09-19 11:04:04 +0200 (Mi, 19 Sep 2012) | 2 lines Fix date in changelog entry ........ r5519 | teichmann | 2012-09-19 11:17:14 +0200 (Mi, 19 Sep 2012) | 1 line Removed trailing whitespace. ........ flys-artifacts/tags/2.9.1@5531 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 19 Sep 2012 14:58:31 +0000
parents 585c0b49e696
children
rev   line source
3177
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.math.fitting;
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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2
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 public class InvLinear
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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4 extends Function
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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5 {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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6 public static Function INSTANCE = new InvLinear();
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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7
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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8 public static final Derivative DERIVATIVE =
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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9 new Derivative("Q'(W) = 1/m") {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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10
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 @Override
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 public de.intevation.flys.artifacts.math.Function
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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13 instantiate(double [] parameters)
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 final double _1m = 1d/parameters[0];
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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16
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 return new de.intevation.flys.artifacts.math.Function() {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 @Override
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 public double value(double Q) {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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20 return _1m;
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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21 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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22 };
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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23 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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24 };
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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25
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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26 public InvLinear() {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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27 super("inv-linear", "W(Q) = (Q-b)/m", new String [] { "m", "b" });
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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28 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 @Override
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 public double value(double Q, double [] parameters) {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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32 double m = parameters[0];
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 double b = parameters[1];
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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34 return (Q-b)/m;
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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35 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 @Override
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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38 public double [] gradient(double Q, double [] parameters) {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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39 double m = parameters[0];
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 double b = parameters[1];
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 return new double [] {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 -(Q-b)/(m*m),
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 -1d/m
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 };
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 @Override
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 public Derivative getDerivative() {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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49 return DERIVATIVE;
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 @Override
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 public Function getInverse() {
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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54 return Linear.INSTANCE;
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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55 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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56 }
585c0b49e696 Added inverses of the fitting functions.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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57 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org