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Explore Stack InternalHere it is in Lua using Newton-Raphson method
> function nthroot (x, n) local r = 1; for i = 1, 16 do r = (((n - 1) * r) + x / (r ^ (n - 1))) / n end return r end > return nthroot(125,3) 5 > Python version
>>> def nthroot (x, n): ... r = 1 ... for i in range(16): ... r = (((n - 1) * r) + x / (r ** (n - 1))) / n ... return r ... >>> nthroot(125,3) 5 >>> Here it is in Lua using Newton-Raphson method
> function nthroot (x, n) local r = 1; for i = 1, 16 do r = (((n - 1) * r) + x / (r ^ (n - 1))) / n end return r end > return nthroot(125,3) 5 > Here it is in Lua using Newton-Raphson method
> function nthroot (x, n) local r = 1; for i = 1, 16 do r = (((n - 1) * r) + x / (r ^ (n - 1))) / n end return r end > return nthroot(125,3) 5 > Python version
>>> def nthroot (x, n): ... r = 1 ... for i in range(16): ... r = (((n - 1) * r) + x / (r ** (n - 1))) / n ... return r ... >>> nthroot(125,3) 5 >>> Here it is in Lua using Newton-Raphson method
> function nthroot (x, n) local r = 1; for i = 1, 16 do r = (((n - 1) * r) + x / (r ^ (n - 1))) / n end return r end > return nthroot(125,3) 5 >