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 * 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
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 *      http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.commons.math3.ode;

import org.apache.commons.math3.exception.DimensionMismatchException;
import org.apache.commons.math3.exception.MaxCountExceededException;

Interface expanding first order
 differential equations in order to compute exactly the main state jacobian matrix for partial derivatives equations. 
Since:
3.0/** 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.
Params:
t – current value of the independent time variable
y – array containing the current value of the main state vector
yDot – array containing the current value of the time derivative of the main state vector
dFdY – placeholder array where to put the jacobian matrix of the ODE w.r.t. the main state vector
Throws:
MaxCountExceededException – if the number of functions evaluations is exceeded
DimensionMismatchException – if arrays dimensions do not match equations settings/** 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;

}