Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.math.linear; /** * Interface defining very basic matrix operations. * @version $Revision: 772119 $ $Date: 2009-05-06 11:43:28 +0200 (mer. 06 mai 2009) $ * @since 2.0 */ public interface AnyMatrix { /** * Is this a square matrix? * @return true if the matrix is square (rowDimension = columnDimension) */ boolean isSquare(); /** * Returns the number of rows in the matrix. * * @return rowDimension */ int getRowDimension(); /** * Returns the number of columns in the matrix. * * @return columnDimension */ int getColumnDimension(); }