001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.commons.math.ode.jacobians;
019
020 import org.apache.commons.math.ode.FirstOrderDifferentialEquations;
021
022
023 /** This interface represents {@link FirstOrderDifferentialEquations
024 * first order differential equations} with parameters.
025 *
026 * @see FirstOrderIntegratorWithJacobians
027 *
028 * @version $Revision: 918702 $ $Date: 2010-03-03 16:28:16 -0500 (Wed, 03 Mar 2010) $
029 * @since 2.1
030 */
031
032 public interface ParameterizedODE
033 extends FirstOrderDifferentialEquations {
034
035 /** Get the number of parameters.
036 * @return number of parameters
037 */
038 int getParametersDimension();
039
040 /** Set a parameter.
041 * @param i index of the parameters (must be between 0
042 * and {@link #getParametersDimension() getParametersDimension() - 1})
043 * @param value value for the parameter
044 */
045 void setParameter(int i, double value);
046
047 }