Java Vector vectorSimilarity(float[] wordVector1, float[] wordVector2)

Description

vector Similarity

License

Apache License

Declaration

public static float vectorSimilarity(float[] wordVector1, float[] wordVector2) 

Method Source Code

//package com.java2s;
/*/*from w ww . j  a  v  a2 s  . c om*/
 * Copyright (c) 2008-2016 Computer Network Information Center (CNIC), Chinese Academy of Sciences.
 * 
 * This file is part of Duckling project.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://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. 
 *
 */

public class Main {

    public static float vectorSimilarity(float[] wordVector1, float[] wordVector2) {
        if (wordVector1 == null || wordVector2 == null) {
            return -1;
        }
        float sim = 0;
        for (int i = 0; i < wordVector1.length; i++) {
            sim += wordVector1[i] * wordVector2[i];
        }
        return sim;
    }
}

Related

1. vectorIndexToUpperTriangularIndices(int numberOfRows, int index)
2. vectorKLDivergence(double v1[], double v2[])
3. vectorL2Norm(double[] v)
4. vectorLog10(double v1[])
5. vectorMagnitude4D(float[][][][] vec4D)
6. vectorSizeToBucketNum(int vectorSize)
7. vectorSubset(Vector aV1, Vector aV2)
8. vectorValue(double[] x)