01 /*
02 * $Id: PolynomialRoots.java,v 1.5 2006/09/18 09:40:51 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.Matrix;
10 import org.mklab.nfc.scalar.Polynomial;
11 import org.mklab.nfc.scalar.RationalPolynomial;
12
13
14 /**
15 * @author koga
16 * @version $Revision: 1.5 $, 2004/04/20
17 */
18 public class PolynomialRoots {
19
20 /**
21 * メインメソッド
22 *
23 * @param args コマンドライン引数
24 */
25 @SuppressWarnings("nls")
26 public static void main(String[] args) {
27 Polynomial s = new Polynomial("s");
28 Polynomial num = s.power(2).add(s.multiply(5)).add(6);
29 Polynomial den = s.power(3).add(s.power(2)).add(s).add(1);
30 RationalPolynomial r = num.divide(den);
31 Matrix z = r.getZeros();
32 z.print("zeros");
33 Matrix p = r.getPoles();
34 p.print("poles");
35 }
36 }
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