Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/LogLinear.java @ 3165:6b13d7e7b403
FixA: Added more debug output.
flys-artifacts/trunk@4778 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Mon, 25 Jun 2012 14:36:46 +0000 |
| parents | 4dda67a893da |
| children | 585c0b49e696 |
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--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/LogLinear.java Mon Jun 25 13:15:35 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/LogLinear.java Mon Jun 25 14:36:46 2012 +0000 @@ -37,11 +37,16 @@ @Override public double [] gradient(double x, double [] parameters) { - double l = parameters[1]*x + parameters[2]; + double a = parameters[0]; + double m = parameters[1]; + double b = parameters[2]; + + double lin = m*x + b; + return new double [] { - Math.log(l), - parameters[0]*x/l, - parameters[0]/l + Math.log(lin), + a*x / lin, + a / lin }; }