func Sqrt(y complex128) complex128

// Golang程序演示如何查找给定复数的平方根
  
package main
  
import (
    "fmt"
    "math/cmplx"
)
  
// 主函数
func main() {
  
    // 使用Sqrt()函数寻找
    // 指定复数的平方根
    res_1 := cmplx.Sqrt(8 - 6i)
    res_2 := cmplx.Sqrt(-4 + 12i)
    res_3 := cmplx.Sqrt(-3 - 9i)
  
    // 显示结果
    fmt.Printf("Result 1: %.2f", res_1)
    fmt.Printf("\nResult 2:  %.2f", res_2)
    fmt.Printf("\nResult 3:  %.2f", res_3)
} 

Result 1: (3.00-1.00i)
Result 2:  (2.08+2.89i)
Result 3:  (1.80-2.50i)

// Golang程序演示如何查找给定复数的平方根
  
package main
  
import (
    "fmt"
    "math/cmplx"
)
  
// 主函数
func main() {
  
    cnumber_1 := complex(0, 2)
    cnumber_2 := complex(4, 6)
  
    // 查找平方根
    cvalue_1 := cmplx.Sqrt(cnumber_1)
    cvalue_2 := cmplx.Sqrt(cnumber_2)
  
    // 给定平方根的总和
    res := cvalue_1 + cvalue_2
  
    // 显示结果
    fmt.Println("Complex Number 1: ", cnumber_1)
    fmt.Printf("Square Root 1: %.1f", cvalue_1)
  
    fmt.Println("\nComplex Number 2: ", cnumber_2)
    fmt.Printf("Square Root: %.1f ", cvalue_2)
    fmt.Printf("\nSum : %.1f", res)
  
} 

Complex Number 1:  (0+2i)
Square Root 1: (1.0+1.0i)
Complex Number 2:  (4+6i)
Square Root: (2.4+1.3i) 
Sum : (3.4+2.3i)