Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/Function.java @ 2744:c1f2e792704a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FixA: Calculate Delta W/t, too. flys-artifacts/trunk@4479 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 23 May 2012 18:27:45 +0000
parents 8a6ce15ced7f
children 4dda67a893da
rev   line source
2569
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.math.fitting;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
2744
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
3 import org.apache.commons.math.FunctionEvaluationException;
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
4
2569
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 import org.apache.commons.math.optimization.fitting.ParametricRealFunction;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 import de.intevation.flys.utils.DoubleUtil;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 public abstract class Function
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 implements ParametricRealFunction
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 protected String name;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 protected String description;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 protected String [] parameterNames;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 protected double [] initialGuess;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 public Function() {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 }
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 public Function(
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 String name,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 String description,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 String [] parameterNames
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24 ) {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 this(name,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 description,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 parameterNames,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 DoubleUtil.fill(parameterNames.length, 1d));
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 }
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31 public Function(
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 String name,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 String description,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 String [] parameterNames,
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 double [] initialGuess
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 ) {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 this.name = name;
2697
8a6ce15ced7f Fixed constructor in class 'Function'.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2569
diff changeset
38 this.description = description;
2569
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 this.parameterNames = parameterNames;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 this.initialGuess = initialGuess;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 }
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 public String getName() {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 return name;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 }
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 public String getDescription() {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 return description;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 }
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 public String [] getParameterNames() {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 return parameterNames;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 }
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 public double [] getInitialGuess() {
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 return initialGuess;
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 }
2744
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
58
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
59 public de.intevation.flys.artifacts.math.Function instantiate(
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
60 final double [] parameters
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
61 ) {
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
62 return new de.intevation.flys.artifacts.math.Function() {
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
63
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
64 @Override
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
65 public double value(double x) {
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
66 try {
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
67 return Function.this.value(x, parameters);
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
68 }
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
69 catch (FunctionEvaluationException fee) {
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
70 return Double.NaN;
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
71 }
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
72 }
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
73 };
c1f2e792704a FixA: Calculate Delta W/t, too.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2697
diff changeset
74 }
2569
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75 }
0dd58ab7e118 Added functions to be used for fitting in the "Fixierungsanalyse" and "Extremwertermittlung".
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org