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 matrix function. 22 * @since 2.0 23 */ 24 public interface MultivariateMatrixFunction { 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 }