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 * http://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 package org.apache.commons.math4.legacy.analysis.differentiation;
19
20 import org.apache.commons.math4.legacy.analysis.MultivariateFunction;
21
22 /**
23 * Extension of {@link MultivariateFunction} representing a
24 * multivariate differentiable real function.
25 * @since 3.1
26 */
27 public interface MultivariateDifferentiableFunction extends MultivariateFunction {
28 /**
29 * Compute the value for the function at the given point.
30 *
31 * @param point Point at which the function must be evaluated.
32 * @return the function value for the given point.
33 * @throws org.apache.commons.math4.legacy.exception.MathIllegalArgumentException
34 * if {@code point} does not satisfy the function's constraints (wrong dimension,
35 * argument out of bound, or unsupported derivative order for example).
36 */
37 DerivativeStructure value(DerivativeStructure[] point);
38 }