evrial/newtons_method_sqrt.go

## newtons_method_sqrt.go
package main

import (
    "fmt"
)

func Sqrt(x float64) float64 {
    z := x / 2.0
    for i := 0; i < 10; i++ {
        z = z - (z*z-x)/(2*z)
    }
    return z
}

func main() {
    fmt.Println(Sqrt(12))
}
	package main

	import (
	"fmt"
	)

	func Sqrt(x float64) float64 {
	z := x / 2.0
	for i := 0; i < 10; i++ {
	z = z - (zz-x)/(2z)
	}
	return z
	}

	func main() {
	fmt.Println(Sqrt(12))
	}