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+/*
+ * 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;
+
+import org.apache.commons.math3.exception.DimensionMismatchException;
+import org.apache.commons.math3.exception.MaxCountExceededException;
+
+/**
+ * Interface to compute exactly Jacobian matrix for some parameter when computing {@link
+ * JacobianMatrices partial derivatives equations}.
+ *
+ * @since 3.0
+ */
+public interface ParameterJacobianProvider extends Parameterizable {
+
+ /**
+ * Compute the Jacobian matrix of ODE with respect to one parameter.
+ *
+ * <p>If the parameter does not belong to the collection returned by {@link
+ * #getParametersNames()}, the Jacobian will be set to 0, but no errors will be triggered.
+ *
+ * @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 paramName name of the parameter to consider
+ * @param dFdP placeholder array where to put the Jacobian matrix of the ODE with respect to the
+ * parameter
+ * @exception MaxCountExceededException if the number of functions evaluations is exceeded
+ * @exception DimensionMismatchException if arrays dimensions do not match equations settings
+ * @exception UnknownParameterException if the parameter is not supported
+ */
+ void computeParameterJacobian(
+ double t, double[] y, double[] yDot, String paramName, double[] dFdP)
+ throws DimensionMismatchException, MaxCountExceededException, UnknownParameterException;
+}