Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/fitting/Log.java @ 3177:585c0b49e696
Added inverses of the fitting functions.
flys-artifacts/trunk@4792 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Tue, 26 Jun 2012 06:33:37 +0000 |
| parents | 6b13d7e7b403 |
| children |
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| 3176:cbaa49896eca | 3177:585c0b49e696 |
|---|---|
| 19 return m/(Q+b); | 19 return m/(Q+b); |
| 20 } | 20 } |
| 21 }; | 21 }; |
| 22 } | 22 } |
| 23 }; | 23 }; |
| 24 | |
| 25 public static final Function INSTANCE = new Log(); | |
| 24 | 26 |
| 25 public Log() { | 27 public Log() { |
| 26 super("log", "W(Q) = m*ln(Q + b)", new String [] { "m", "b" }); | 28 super("log", "W(Q) = m*ln(Q + b)", new String [] { "m", "b" }); |
| 27 } | 29 } |
| 28 | 30 |
| 44 | 46 |
| 45 @Override | 47 @Override |
| 46 public Derivative getDerivative() { | 48 public Derivative getDerivative() { |
| 47 return DERIVATIVE; | 49 return DERIVATIVE; |
| 48 } | 50 } |
| 51 | |
| 52 @Override | |
| 53 public Function getInverse() { | |
| 54 return InvLog.INSTANCE; | |
| 55 } | |
| 49 } | 56 } |
| 50 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 57 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |