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Python While Döngüsü ile Karakök Bulma - RAGIP ÜNAL

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Python While Döngüsü ile Karakök Bulma

Aşağıda özetle √× hesaplamak için kullanılabilecek bir yaklaşımın adımlarını göreceksiniz.

  • r0=x/2 şeklinde bir yaklaşımla başlayalım.
  • Başlangıç tahmini yeterli değilse bunu izleyen r1, r2, r3 yaklaşımlarını izleyelim.

ri=(1/2)(ri+x/ri-1) şeklinde hesaplamaya devam edelim ve herhangi bir aşamadaki kök tahminimizin değeri r ise ve |x-r2|≤0.0001 ise işlemi durdurarak r’nin köke yeterince yakın olduğunu kabul edebiliriz.

Program:

x=input("Kare Kökü Hesaplanmasını istediğiniz sayıyı giriniz.")
x=float(x)
eps=input("Hassasiyet...")
eps=float(eps)
import math

r0=x/2
r=r0
while math.fabs(x-r*r)>eps:
    r0=r
    r=1.0/2.0*(r0+x/r0)
print(x, " Sayısının Katekökü ", r , " dir.")

Çıktı:

Kare Kökü Hesaplanmasını istediğiniz sayıyı giriniz.144
Hassasiyet...0.0001
144.0  Sayısının Katekökü  12.000000010666378  dir.

008_while.py

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