001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.math.analysis;
018    
019    /**
020     * Extension of {@link UnivariateVectorialFunction} representing a differentiable univariate vectorial function.
021     *
022     * @version $Revision: 811786 $ $Date: 2009-09-06 11:36:08 +0200 (dim. 06 sept. 2009) $
023     * @since 2.0
024     */
025    public interface DifferentiableUnivariateVectorialFunction
026        extends UnivariateVectorialFunction {
027    
028        /**
029         * Returns the derivative of the function
030         *
031         * @return  the derivative function
032         */
033        UnivariateVectorialFunction derivative();
034    
035    }