数值计算方法 拉格朗日插值

#include<stdio.h>
float czl(int n,float x1,float *px,float *py);
void main()
{
float x1,y1;
int n;
float *p1,*p2;
float x[10]={100,121,144};
float y[10]={10,11,12};
printf("Input numbers:x1 n=\n");
scanf("%f%d",&x1,&n);
p1=x;
p2=y;
y1=czl(n,x1,p1,p2);
printf("y1=%f\n",y1);
}

float czl(int n,float x1,float *px,float *py) //ºËÐĺ¯Êý
{
int i,j;
float x[10],y[10],t,y1;
y1=0.0;
for(i=0;i<n;i++,px++,py++)
{
x[i]=*px;
y[i]=*py;
}
for(i=0;i<n;i++)
{
t=1.0;