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polar() function for complex number in C++

  • Difficulty Level : Expert
  • Last Updated : 10 Oct, 2018

The polar() function for complex number is defined in the complex header file.The polar function is used to find the complex number from phase angle and magnitude.

Syntax:

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polar(mag, angle)

Parameter:

  • mag: It represents the magnitude of the complex number.
  • angle: It represents the phase angle.

Returns: This function returns a complex number which is obtain by phase angle and magnitude.



Below program illustrate the above function:-

Program 1:




// C++ program to demonstrate
// example of polar() function.
#include <bits/stdc++.h>
using namespace std;
   
// driver function
int main ()
{
  cout << "The complex number whose magnitude is 4.0";
  cout << " and phase angle 1.5";
   
  // use of polar() function
  cout << " is " << polar (4.0, 1.5) << endl;
   
  return 0;
}
Output:
The complex number whose magnitude is 4.0 and phase angle 1.5 is (0.282949,3.98998)

Program 2:




// C++ program to demonstrate
// example of polar() function.
#include <bits/stdc++.h>
using namespace std;
   
// driver function
int main ()
{
  cout << "The complex number whose magnitude is 2.0";
  cout << " and phase angle 0.5";
   
  // use of polar() function
  cout << " is " << polar (2.0, 0.5) << endl;
   
  return 0;
}
Output:
The complex number whose magnitude is 2.0 and phase angle 0.5 is (1.75517,0.958851)



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