01 /*
02 * $Id: RationalPolynomialMatrixEquality.java,v 1.7 2008/02/02 03:06:27 koga Exp $
03 *
04 * Copyright (C) 2004 Koga Laboratory. All rights reserved.
05 *
06 */
07 package matxbook.chap17;
08
09 import org.mklab.nfc.matrix.DoubleMatrix;
10 import org.mklab.nfc.matrix.Matrix;
11 import org.mklab.nfc.matrix.RationalPolynomialMatrix;
12 import org.mklab.nfc.scalar.Polynomial;
13 import org.mklab.nfc.scalar.RationalPolynomial;
14
15
16 /**
17 * 有理多項式行列の等価性のサンプルです。
18 * @author koga
19 * @version $Revision: 1.7 $, 2004/04/20
20 */
21 public class RationalPolynomialMatrixEquality {
22
23 /**
24 * メインメソッド
25 *
26 * @param args コマンドライン引数
27 */
28 @SuppressWarnings("nls")
29 public static void main(String[] args) {
30 Polynomial s = new Polynomial("s");
31 RationalPolynomial a11 = s.add(1).inverse();
32 RationalPolynomial a12 = s.add(2).inverse();
33 RationalPolynomial a21 = s.add(3).inverse();
34 RationalPolynomial a22 = s.add(4).inverse();
35 Matrix a = new RationalPolynomialMatrix(new RationalPolynomial[][] { {a11, a12}, {a21, a22}});
36 Matrix b = new DoubleMatrix(new double[][] { {1, 2}, {3, 4}}).addElementWise(s).inverseElementWise();
37 System.out.println("(a == b) = " + a.equals(b));
38 }
39 }
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