Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/Log.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/Log.java Mon Jun 25 13:15:35 2012 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/Log.java Mon Jun 25 14:36:46 2012 +0000 @@ -33,9 +33,12 @@ @Override public double [] gradient(double x, double [] parameters) { + double m = parameters[0]; + double b = parameters[1]; + double b_x = b + x; return new double [] { - Math.log(x + parameters[1]), - parameters[0]/(x + parameters[0]) + Math.log(b_x), + m/b_x }; }