Scalarizer

class desdeo_tools.scalarization.Scalarizer(evaluator, scalarizer, evaluator_args=None, scalarizer_args=None)

Bases: object

Implements a class for scalarizing vector valued functions with a given scalarization function.

Methods Summary

__call__(xs)	Wrapper to the evaluate method.
evaluate(xs)	Evaluates the scalarized function with the given arguments and returns a scalar value for each vector of variables given in a numpy array.

Methods Documentation

__call__(xs)

Wrapper to the evaluate method.

Return type

ndarray

evaluate(xs)

Evaluates the scalarized function with the given arguments and returns a scalar value for each vector of variables given in a numpy array.

Parameters

• xs (np.ndarray) – A 2D numpy array containing vectors of variables

• each of its rows. (on) –

Returns

A 1D numpy array with the values returned by the scalarizer for each row in xs.

Return type

np.ndarray