1 /* 2 * Copyright (C) 2023 Alberto Irurueta Carro (alberto@irurueta.com) 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.irurueta.numerical.integration; 17 18 import com.irurueta.algebra.Matrix; 19 import com.irurueta.numerical.EvaluationException; 20 21 /** 22 * Interface to define how matrix (multivariate) single dimension functions can be evaluated. 23 */ 24 public interface MatrixSingleDimensionFunctionEvaluatorListener { 25 /** 26 * Evaluates a matrix function such as f(x1) at provided point and returns the result as a 27 * matrix. 28 * 29 * @param point point where function will be evaluated. 30 * @param result matrix where function evaluation will be stored. 31 * @throws EvaluationException if something failed during the evaluation. 32 */ 33 void evaluate(final double point, final Matrix result) throws EvaluationException; 34 35 /** 36 * Gets number of rows of matrix result of function f. 37 * 38 * @return number of rows. 39 */ 40 int getRows(); 41 42 /** 43 * Gets number of columns of matrix result of function f. 44 * 45 * @return number of columns. 46 */ 47 int getColumns(); 48 }