| /* |
| * 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.math4.legacy.ode; |
| |
| import org.apache.commons.math4.legacy.exception.DimensionMismatchException; |
| import org.apache.commons.math4.legacy.exception.MaxCountExceededException; |
| |
| /** Interface expanding {@link FirstOrderDifferentialEquations first order |
| * differential equations} in order to compute exactly the main state jacobian |
| * matrix for {@link JacobianMatrices partial derivatives equations}. |
| * |
| * @since 3.0 |
| */ |
| public interface MainStateJacobianProvider extends FirstOrderDifferentialEquations { |
| |
| /** Compute the jacobian matrix of ODE with respect to main state. |
| * @param t current value of the independent <I>time</I> variable |
| * @param y array containing the current value of the main state vector |
| * @param yDot array containing the current value of the time derivative of the main state vector |
| * @param dFdY placeholder array where to put the jacobian matrix of the ODE w.r.t. the main state vector |
| * @exception MaxCountExceededException if the number of functions evaluations is exceeded |
| * @exception DimensionMismatchException if arrays dimensions do not match equations settings |
| */ |
| void computeMainStateJacobian(double t, double[] y, double[] yDot, double[][] dFdY) |
| throws MaxCountExceededException, DimensionMismatchException; |
| |
| } |