org.nd4j.linalg.lossfunctions.impl.LossNegativeLogLikelihood Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.lossfunctions.impl;
import org.nd4j.linalg.api.ndarray.INDArray;
/**
* Negative log likelihood loss function
*
* In practice, this is implemented as an alias for {@link LossMCXENT} due to the mathematical equivalence
*/
public class LossNegativeLogLikelihood extends LossMCXENT {
public LossNegativeLogLikelihood() {}
public LossNegativeLogLikelihood(INDArray weights) {
super(weights);
}
/**
* The opName of this function
*
* @return
*/
@Override
public String name() {
return toString();
}
@Override
public String opName() {
return "lossnegativeloglikelihood";
}
@Override
public String toString() {
return "LossNegativeLogLikelihood()";
}
}