Java example source code file (ClassicalRungeKuttaFieldIntegrator.java)
The ClassicalRungeKuttaFieldIntegrator.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.ode.nonstiff; import org.apache.commons.math3.Field; import org.apache.commons.math3.RealFieldElement; import org.apache.commons.math3.ode.FieldEquationsMapper; import org.apache.commons.math3.ode.FieldODEStateAndDerivative; import org.apache.commons.math3.util.MathArrays; /** * This class implements the classical fourth order Runge-Kutta * integrator for Ordinary Differential Equations (it is the most * often used Runge-Kutta method). * * <p>This method is an explicit Runge-Kutta method, its Butcher-array * is the following one : * <pre> * 0 | 0 0 0 0 * 1/2 | 1/2 0 0 0 * 1/2 | 0 1/2 0 0 * 1 | 0 0 1 0 * |-------------------- * | 1/6 1/3 1/3 1/6 * </pre> * </p> * * @see EulerFieldIntegrator * @see GillFieldIntegrator * @see MidpointFieldIntegrator * @see ThreeEighthesFieldIntegrator * @see LutherFieldIntegrator * @param <T> the type of the field elements * @since 3.6 */ public class ClassicalRungeKuttaFieldIntegrator<T extends RealFieldElement
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