01 /*
02 * $Id: RationalPolynomialMatrixNumDen.java,v 1.8 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
14
15 /**
16 * 有理多項式行列の分子行列と分母行列のサンプルです。
17 * @author koga
18 * @version $Revision: 1.8 $, 2004/04/19
19 */
20 public class RationalPolynomialMatrixNumDen {
21
22 /**
23 * メインメソッド
24 *
25 * @param args コマンドライン引数
26 */
27 @SuppressWarnings("nls")
28 public static void main(String[] args) {
29 Polynomial s = new Polynomial("s");
30 Matrix a = new DoubleMatrix(new double[][] { {1, 2}, {3, 4}});
31 Matrix b = new DoubleMatrix(new double[][] { {5, 6}, {7, 8}});
32 Matrix c = a.addElementWise(s).divideElementWise(b.addElementWise(s));
33 c.print("c");
34 Matrix nu = ((RationalPolynomialMatrix)c).getNumeratorElementWise();
35 Matrix de = ((RationalPolynomialMatrix)c).getDenominatorElementWise();
36 nu.print("Nu(c)");
37 de.print("De(c)");
38 }
39 }
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