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Java example source code file (SumSincFunction.java)
The SumSincFunction.java Java example source code/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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. */ package org.apache.commons.math3.analysis; import org.apache.commons.math3.analysis.function.Sinc; /** * Auxiliary class for testing optimizers. * */ public class SumSincFunction implements MultivariateFunction { private static final UnivariateFunction sinc = new Sinc(); /** * Factor that will multiply each term of the sum. */ private final double factor; /** * @param factor Factor that will multiply each term of the sum. */ public SumSincFunction(double factor) { this.factor = factor; } /** * @param point Argument. * @return the value of this function at point {@code x}. */ public double value(double[] point) { double sum = 0; for (int i = 0, max = point.length; i < max; i++) { final double x = point[i]; final double v = sinc.value(x); sum += v; } return factor * sum; } } Other Java examples (source code examples)Here is a short list of links related to this Java SumSincFunction.java source code file: |
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