1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 /*
19 * This is not the original file distributed by the Apache Software Foundation
20 * It has been modified by the Hipparchus project
21 */
22
23 package org.hipparchus.analysis.differentiation;
24
25 import org.hipparchus.analysis.MultivariateFunction;
26 import org.hipparchus.exception.MathIllegalArgumentException;
27
28 /**
29 * Extension of {@link MultivariateFunction} representing a
30 * multivariate differentiable real function.
31 */
32 public interface MultivariateDifferentiableFunction extends MultivariateFunction {
33
34 /**
35 * Compute the value for the function at the given point.
36 *
37 * @param point Point at which the function must be evaluated.
38 * @return the function value for the given point.
39 * @exception MathIllegalArgumentException if {@code point} does not
40 * satisfy the function's constraints (wrong dimension, argument out of bound,
41 * or unsupported derivative order for example)
42 */
43 DerivativeStructure value(DerivativeStructure[] point)
44 throws MathIllegalArgumentException;
45
46 }