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.linear; 24 25 26 /** 27 * Interface defining very basic matrix operations. 28 */ 29 public interface AnyMatrix { 30 31 /** 32 * Is this a square matrix? 33 * @return true if the matrix is square (rowDimension = columnDimension) 34 */ 35 boolean isSquare(); 36 37 /** 38 * Returns the number of rows in the matrix. 39 * 40 * @return rowDimension 41 */ 42 int getRowDimension(); 43 44 /** 45 * Returns the number of columns in the matrix. 46 * 47 * @return columnDimension 48 */ 49 int getColumnDimension(); 50 51 }