How can I invert y = pow(x, z) to get x?
Question
As I know there is no build-in functions to do this directly, so log()? or a simple math shortcut like:
z = y ** (1/x)
x?
1 answers
solution1
6 ACCPTED 2017-01-22 02:32:04
If y=pow(x,z) then x = pow(y,1.0/z) :
>>> y = pow(3,1.7)
>>> y
6.473007839923779
>>> pow(y,1.0/1.7)
3.0
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