推 tearained:酷喔...有人接棒了 10/19 16:03
→ tearained:exp是啥...= =經驗值嗎.. 10/19 16:04
推 jasongogogo:這答案是凱哥的 凱哥超威的 一下就生出來了 10/19 16:41
推 jasongogogo:話說咱門的泰明兄 今天發飆了 科科 10/19 16:42
#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;
}
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