testlls.java

数值计算（科学计算）实验代码高斯消元楚列斯基分解

public class TestLLS {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		LinearLeastSquares xxx=new LinearLeastSquares();
		double[] t={0.0,1.0,2.0,3.0,4.0,5.0};
		double[] y={1.0,2.7,5.8,6.6,7.5,9.9};
        double[] x=xxx.normalEquations(t, y, 5);
        for(int i=0;i<5;i++)
        	System.out.print(x[i]+"\t");
        System.out.println();
        double[] yc=new double[6];
        for(int i=0;i<6;i++)
        	{yc[i]=x[0]+x[1]*t[i]+x[2]*t[i]*t[i]+x[3]*t[i]*t[i]*t[i]+x[4]*t[i]*t[i]*t[i]*t[i];
            System.out.print(yc[i]+"\t");}
	}

}