問題描述:
編寫遞歸函數,函數應該和下面的函數原型比對:
int hermite(int n,int x)
Hermitee Polynomials(厄密多項式)是這樣定義的:
n <= 0; 1;
Hn(x) = n = 1; 2x;
n >= 2; 2xHn-1(x)-2(n-1)Hn-2(x);
\
代碼如下:
/*編寫遞歸函數,函數應該和下面的函數原型比對:
int hermite(int n,int x)
Hermitee Polynomials(厄密多項式)是這樣定義的:
n <= 0;1
Hn(x) = n = 1;2x;
n >= 2;2xHn-1(x)-2(n-1)Hn-2(x);**/
#include<stdio.h>
int Hermite(int n,int x)
{
if(n <= 0)
return 1;
else if(n == 1)
return 2*x;
else
return 2*x*Hermite(n-1,x) - 2*(n-1)*Hermite(n-2,x);
}
int main()
{
int n;
int x;
int i = 1;
while(i)
{
printf("Please input n and x:\n");
scanf("%d%d",&n,&x);
printf("Hn(x) = %d\n",Hermite(n,x));
printf("if you want to continue :1 if you want to break:0\n");
scanf("%d",&i);
}
return 0;
}
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiIyVGduV2QvwVe0lmdhJ3ZvwFM38CXlZHbvN3cpR2Lc1TPB10QGtWUCpEMJ9CXsxWam9CXwADNvwVZ6l2c052bm9CXUJDT1wkNhVzLcRnbvZ2Lc1TRYV2M5YlWyw2RiZXUYpVd1kmYr50MZV3YyI2cKJDT29GRjBjUIF2LcRHelR3LcJzLctmch1mclRXY39jM1IDNwQTNyITOwUDM1EDMy8CX0Vmbu4GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.jpg)