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Java example source code file (ValueAndJacobianFunction.java)

This example Java source code file (ValueAndJacobianFunction.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

multivariatejacobianfunction, realmatrix, realvector, valueandjacobianfunction

The ValueAndJacobianFunction.java Java example source code

 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.commons.math3.fitting.leastsquares;

import org.apache.commons.math3.linear.RealMatrix;
import org.apache.commons.math3.linear.RealVector;

 * A interface for functions that compute a vector of values and can compute their
 * derivatives (Jacobian).
 * @since 3.4
public interface ValueAndJacobianFunction extends MultivariateJacobianFunction {
     * Compute the value.
     * @param params Point.
     * @return the value at the given point.
    RealVector computeValue(final double[] params);

     * Compute the Jacobian.
     * @param params Point.
     * @return the Jacobian at the given point.
    RealMatrix computeJacobian(final double[] params);

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