1 /* 2 * Licensed to the Hipparchus project under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The Hipparchus project licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * https://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.hipparchus.ode; 18 19 import org.hipparchus.exception.MathIllegalArgumentException; 20 21 /** Interface to compute by finite difference Jacobian matrix for some parameter 22 * when computing {@link VariationalEquation partial derivatives equations}. 23 * 24 */ 25 26 public interface ParametersController extends Parameterizable { 27 28 /** Get parameter value from its name. 29 * @param name parameter name 30 * @return parameter value 31 * @exception MathIllegalArgumentException if parameter is not supported 32 */ 33 double getParameter(String name) throws MathIllegalArgumentException; 34 35 /** Set the value for a given parameter. 36 * @param name parameter name 37 * @param value parameter value 38 * @exception MathIllegalArgumentException if parameter is not supported 39 */ 40 void setParameter(String name, double value) throws MathIllegalArgumentException; 41 42 }