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;
19
20 /**
21 * An interface representing a multivariate vectorial function.
22 * @since 2.0
23 */
24 public interface MultivariateVectorFunction {
25
26 /**
27 * Compute the value for the function at the given point.
28 * @param point point at which the function must be evaluated
29 * @return function value for the given point
30 * @exception IllegalArgumentException if point's dimension is wrong
31 */
32 double[] value(double[] point)
33 throws IllegalArgumentException;
34 }