01 /*
02 * $Id: PolynomialMatrixVariable.java,v 1.5 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.PolynomialMatrix;
12 import org.mklab.nfc.scalar.Polynomial;
13
14
15 /**
16 * 多項式行列の変数変更のサンプルです。
17 * @author koga
18 * @version $Revision: 1.5 $, 2004/04/16
19 */
20 public class PolynomialMatrixVariable {
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 c2 = new DoubleMatrix(new double[][] { {1, 2}, {3, 4}});
31 Matrix c1 = new DoubleMatrix(new double[][] { {5, 6}, {7, 8}});
32 Matrix c0 = new DoubleMatrix(new double[][] { {9, 10}, {11, 12}});
33 Matrix a = c2.multiply(s.power(2)).add(c1.multiply(s)).add(c0);
34 ((PolynomialMatrix)a).setVariable("x");
35 a.print("a");
36 }
37 }
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