Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/math/LinearFunction.java @ 371:bc00848f0350
Remove wkt line strings from i18n
gnv-artifacts/trunk@452 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 17 Dec 2009 15:39:20 +0000 |
parents | 25e4724aa504 |
children | 828df3ddb758 |
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package de.intevation.gnv.math; import org.apache.commons.math.optimization.fitting.ParametricRealFunction; import org.apache.commons.math.FunctionEvaluationException; /** * @author Sascha L. Teichmann */ public class LinearFunction implements ParametricRealFunction { public static final LinearFunction INSTANCE = new LinearFunction(); public LinearFunction() { } public double value(double x, double [] parameters) throws FunctionEvaluationException { return x*parameters[0] + parameters[1]; } public double [] gradient(double x, double [] parameters) throws FunctionEvaluationException { return new double [] { x, 1f }; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: