@Override
public double[] getNodeSensitivitiesForValue(
final Interpolator1DDataBundle data, final Double value) {
final double yStar = _base.interpolate(data, value);
final double grad = _transform.inverseTransformGradient(yStar);
final double[] temp = _base.getNodeSensitivitiesForValue(data, value);
final int n = temp.length;
for (int i = 0; i < n; i++) {
temp[i] *= grad;
}
return temp;
}
@Override
public double firstDerivative(final Interpolator1DDataBundle data, final Double value) {
return _transform.inverseTransformGradient(_base.interpolate(data, value))
* _base.firstDerivative(data, value);
}