//来 自 nowjava.com - 时代Java
//package com.nowjava;
public class Main {
public static void main(String[] argv) throws Exception {
double[] data = new double[] { 34.45, 35.45, 36.67, 37.78, 37.0000,
37.1234, 67.2344, 68.34534, 69.87700 };
int n = 2;
System.out.println(getPowerN(data, n));
}
/**
* Sums all components then puts to power n.
* This is the direct computation of the polynomial expansion
*/
//also see MathUtils.polynomialExpansion()
/**
来 自 NowJava.com
**/
public static double getPowerN(double[] data, int n) {
double ans = 0.0;
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