d9r6.java

解具有导数的多元函数的无约束极小值点或具有导数的非线性方程组的近似解

import java.text.*;
public class d9r6
{
	public static void main (String[] args)
	{
		//program d9r6
		//driver for routine fpoly
		int nval = 15;
		double dx = 0.1;
		int npoly = 5;
        double afunc[] = new double[6];
		double x;
        d9r6F g = new d9r6F();
        DecimalFormat form = new DecimalFormat("0.0000");
		System.out.println("                   Powers of x");
		System.out.println(" x   x^0      x^1     x^2     x^3     x^4");
        for (int i = 1; i <= nval; i++)
		{
            x =i * dx;
            g.fpoly(x, afunc, npoly);
            System.out.println("  ");
            System.out.print(form.format(x) + "    ");
            for (int j = 1; j <= npoly; j++)
			{
                System.out.print(form.format(afunc[j]) + "   ");
            }
		}
	}
}