01 /*
02 * $Id: RationalPolynomialMatrixShift.java,v 1.5 2006/08/30 03:45:26 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.matrix.RationalPolynomialMatrix;
11 import org.mklab.nfc.scalar.Polynomial;
12 import org.mklab.nfc.scalar.RationalPolynomial;
13 import org.mklab.tool.matrix.Simplify;
14
15
16 /**
17 * 有理多項式行列の係数をシフトするサンプルです。
18 * @author koga
19 * @version $Revision: 1.5 $, 2004/04/20
20 */
21 public class RationalPolynomialMatrixShift {
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 = new RationalPolynomial(1, s.add(1));
32 RationalPolynomial a12 = new RationalPolynomial(0);
33 RationalPolynomial a21 = new RationalPolynomial(0);
34 RationalPolynomial a22 = new RationalPolynomial(s, s.power(2).add(3));
35 RationalPolynomialMatrix a = new RationalPolynomialMatrix(new RationalPolynomial[][] { {a11, a12}, {a21, a22}});
36
37 Matrix b = Simplify.simplify((RationalPolynomialMatrix)a.shiftHigher());
38 b.print("b");
39 Matrix c = ((RationalPolynomialMatrix)b).shiftLower();
40 c.print("c");
41 }
42 }
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