main_lg3.cpp

一元三代插值

#include <stdio.h>
#include "lg3.cpp"

void main()
{
	float t, z;
	float x[5] = {1.165, 1.634, 1.702, 1.828, 1.921};
	float y[5] = {2.4145, 2.46459, 2.65271, 3.03035, 3.34066};

	t = 1.682; 
	z = lg3(x, y, 5, t);
	printf("x=%6.3f f(x)=%f\n", t, z);
}