Index: trunk/Mars/mjtrain/MJTrainEnergy.h
===================================================================
--- trunk/Mars/mjtrain/MJTrainEnergy.h	(revision 9846)
+++ trunk/Mars/mjtrain/MJTrainEnergy.h	(revision 9847)
@@ -20,6 +20,7 @@
     MJTrainEnergy() : fNameOutput("MEnergyEst") { SetTrainLin(); }
 
-    void SetTrainLog() { SetTrainFunc("log10(MMcEvt.fEnergy)", "pow(10, x)"); }
-    void SetTrainLin() { SetTrainFunc("MMcEvt.fEnergy", "x"); }
+    void SetTrainLog()     { SetTrainFunc("log(MMcEvt.fEnergy)", "exp(x)"); }
+    void SetTrainLin()     { SetTrainFunc("MMcEvt.fEnergy", "x"); }
+    void SetTrainExpSize() { SetTrainFunc("log(MMcEvt.fEnergy)/log(MHillas.fSize)", "MHillas.fSize^x"); }
 
     void SetTrainFunc(const char *par, const char *res)