diff options
Diffstat (limited to 'src/main/java/org/apache/commons/math3/ode/ParameterJacobianProvider.java')
-rw-r--r-- | src/main/java/org/apache/commons/math3/ode/ParameterJacobianProvider.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/ode/ParameterJacobianProvider.java b/src/main/java/org/apache/commons/math3/ode/ParameterJacobianProvider.java new file mode 100644 index 0000000..eac6689 --- /dev/null +++ b/src/main/java/org/apache/commons/math3/ode/ParameterJacobianProvider.java @@ -0,0 +1,50 @@ +/* + * 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; +} |