GradientAscent gaoptimizer = new GradientAscent();
@SuppressWarnings("unused")
ConjugateGradient optimizer = new ConjugateGradient(obj
.getNumParameters());
@SuppressWarnings("unused")
boolean success = optimizer.maximize(obj);
System.out.println("valCalls = " + obj.numValueCalls
+ " gradientCalls=" + obj.numGradientCalls);
return obj.tagger;
}