In exercise 1.4, MIT6_189IAP11_hw1.pdf, how do I code for a 4th root in python. The problem that I am struggling with is finding the 4th root of -19+100. I know the answer but I don't know how to code it. I used the math.sqrt for one of the earlier problems.
MIT 6.189 A Gentle Introduction to Programming Using Python (OCW)
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I puzzled over this wondering if Python had some special way to solve it.
I then remembered that a root is the same as the exponential of the reciprocal
so x = y**(1/4)
Is there a more Pythonesque way to write this?
that should have been
x = y**(1.0/4)
a longer coding way would be to "import" math module and use math.sqrt function twice, like, math.sqrt(math.sqrt(x)) !!
Is there a way if you import the math module to make an n-root instead of using two square roots in a row ?
@Kyol: When i looked for function that could do the nth root in the math module, i found none. But, there is the power function [pow()], the same as what @peterdb has stated above (which is simple and better). Then why import math function ...??!!