@Override
public double value(final Vec x) {
final Mx predictMx = (Mx) x;
int count = 0;
for (int i = 0; i < predictMx.rows(); i++) {
if (VecTools.distance(predictMx.row(i), targets.row(i)) < MathTools.EPSILON) {
count++;
}
}
return (double) count / targets.rows();
}
public CMLMetricOptimization(
final VecDataSet ds,
final BlockwiseMLLLogit target,
final Mx S,
final double c,
final double step) {
this.ds = ds;
this.target = target;
this.step = step;
this.classesIdxs = MCTools.splitClassesIdxs(target.labels());
this.laplacian = VecTools.copy(S);
VecTools.scale(laplacian, -1.0);
for (int i = 0; i < laplacian.rows(); i++) {
final double diagElem = VecTools.sum(S.row(i));
laplacian.adjust(i, i, diagElem);
}
this.c = c;
}