interpolationhermitenotisometry.cpp

来自「何光渝所著《计算机常用数值算法与程序(C++版)》的随书源代码。 是想学习C+」· C++ 代码 · 共 36 行

//InterpolationHermiteNotIsometry.cpp  
//埃米尔特不等距插值

#include <iostream.h>		//输入输出流头文件
#include "Interpolation.h"	//插值头文件

void main()
{
	double t,s;

	double x[10] = 
	{
		0.1, 0.15, 0.30, 0.45, 0.55, 
		0.6, 0.7,  0.85, 0.9,  1.0
	};
    
	double y[10] =
	{
		0.904837, 0.860708, 0.740818, 0.637628, 0.576950,
		0.548812, 0.496585, 0.427415, 0.406570, 0.367879
	};

	valarray<double> dy(10);
	valarray<double> yy(y,10);
    valarray<double> xx(x,10);

  	for(int i = 0; i < 10; i++) dy[i] = -y[i];
     	
	cout << " InterpolationHermiteNotIsometry()" << endl;
	
	t = 0.356;
	cout << endl << " t = " << t;
	s = InterpolationHermiteNotIsometry(xx,yy,dy,t);
    cout << "\t s = " << s << endl;	
}