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计算任意根号n的值

2022-07-20 02:28:00 【lyz_fish】

计算根号n：

def devide_n(n,pow=0.5):
   ...:     ## 求n^pow
   ...:     mid = n/2
   ...:     left,right = 0,n
   ...:     while(mid-math.log(n,pow)>1e-5):
   ...:         if mid**2 < n:
   ...:             left = mid
   ...:         else:
   ...:             right = mid
   ...:         mid = (right - left)/2 + left
   ...:         print(mid)
   ...:     return mid