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  1. #include <iostream>
  2. #include <cmath>
  3. #include <fstream>
  4. using namespace std;
  5.  
  6. int main() {
  7.     ofstream file("data.txt");
  8.     for (double x = -10; x <= 10; x += 0.1) {
  9.         double y = x * x; // هنا الدالة y = x^2
  10.         file << x << " " << y << endl;
  11.     }
  12.     file.close();
  13.  
  14.     // استدعاء gnuplot لرسم البيانات
  15.     system("gnuplot -p -e \"plot 'data.txt' with lines title 'y = x^2'\"");
  16.  
  17.     return 0;
  18. }
Success #stdin #stdout #stderr 0.01s 5316KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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sh: 1: gnuplot: not found
https://ideone.com/3yif0E
language:
C++14 (clang 8.0)
created:
1 day ago
visibility:
public

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