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complx.Rect() Function in Golang With Examples

Last Updated : 28 Apr, 2020
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complx.Rect() Function in Golang returns the complex number x with polar coordinates r, θ. It takes the float value as input and return complex number. This method belongs to complex package. Syntax: 
func Rect(r, θ float64) complex128;
Here, r and θ are the complex numbers with float64 real as well as imaginary parts. Return Value: It returns a complex number of polar coordinates r and θ. Example 1: This example computes the value by passing arguments(5, 45). C 
// Golang program to illustrate
// the complx.Rect() Function

 package main 
 
// importing fmt and math/cmplx
  import (
      "fmt" 
      "math/cmplx" 
) 
 
    // Calling Main method
    func main () {
 
    // using the function
    fmt.Printf ("%.1f", cmplx.Rect (5, 45)) 
}
Output: 
(2.6+4.3i)
Example 2: C 
// Golang program to illustrate
// the complx.Rect() Function

 package main

// importing fmt, math and math/cmplx
import (
"fmt"
"math"
"math/cmplx"
)

// Calling Main method
func main() {

    // using the function   
    fmt.Printf("%.1f,", cmplx.Rect(5, 4*math.Pi)) 
    fmt.Printf("%.1f", cmplx.Rect(5, 90))
}
Output: 
(5.0-0.0i),(-2.2+4.5i)

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complx.Polar() Function in Golang With Examples

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PranchalKatiyar
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