com.expleague.ml.func.generic.Sum Maven / Gradle / Ivy
package com.expleague.ml.func.generic;
import com.expleague.commons.math.FuncC1;
import com.expleague.commons.math.vectors.Vec;
import com.expleague.commons.math.vectors.VecTools;
/**
* User: solar
* Date: 26.05.15
* Time: 11:45
*/
public class Sum extends FuncC1.Stub {
@Override
public Vec gradientTo(Vec x, Vec to) {
VecTools.fill(to, 1.);
return to;
}
@Override
public double value(Vec x) {
return VecTools.sum(x);
}
@Override
public int dim() {
return 1;
}
}
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