作者jasongogogo (singo)
看板FJU-STAT95B
标题[公告] C++
时间Fri Oct 19 12:02:51 2007
#include <iostream>
#include <cmath>
using namespace std;
int main()
{ cout << "tai-ming" << endl;
double x;
cout << "input x=" ;
cin >> x;
cout << "x=" << x <<
", exp(" << x << ")=" <<
exp(x) << endl;
double D = 0.0001;
cout << (exp(x) - exp(x-D))/D<<endl;
cout << (exp(x+D) - exp(x-D))/(2*D)<<endl;
cout << (3*exp(x) - 4*exp(x-D) + exp(x-2*D))/(2*D)
<< endl;
cin.get();
cin.get();
return 0;
}
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.136.165.153
1F:推 tearained:酷喔...有人接棒了 10/19 16:03
2F:→ tearained:exp是啥...= =经验值吗.. 10/19 16:04
3F:推 jasongogogo:这答案是凯哥的 凯哥超威的 一下就生出来了 10/19 16:41
4F:推 jasongogogo:话说咱门的泰明兄 今天发飙了 科科 10/19 16:42