26 lines
669 B
Java
26 lines
669 B
Java
import Jama.Matrix;
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import Jama.QRDecomposition;
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import java.io.StringWriter;
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import java.io.PrintWriter;
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public class Decompose {
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public static void main(String[] args) {
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Matrix matrix = new Matrix(new double[][] {
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{ 12, -51, 4 },
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{ 6, 167, -68 },
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{ -4, 24, -41 },
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});
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QRDecomposition d = new QRDecomposition(matrix);
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System.out.print(toString(d.getQ()));
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System.out.print(toString(d.getR()));
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}
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public static String toString(Matrix m) {
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StringWriter sw = new StringWriter();
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m.print(new PrintWriter(sw, true), 8, 6);
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return sw.toString();
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}
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}
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