### calculate logarithm in python stack overflow

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## Calculate logarithm in python – Stack Overflow

https://stackoverflow.com/questions/33754670

Nov 16, 2015 · With one argument, return the natural logarithm of x (to base e). With two arguments, return the logarithm of x to the given base, calculated as log(x)/log(base). But the log 10 is made available as math.log10(), which does not resort to log division if possible.

## python – How to calculate logarithm in … – Stack Overflow

https://stackoverflow.com/questions/43317451

Apr 10, 2017 · Apr 10 ’17 at 9:10. Yes, I’ve also noticed this. So I try ml = math.log(D[tx,ty],float32(2))and ml = math.log(D[tx,ty])/math.log(float32(2)). But error again. At last, ee = math.log(float32(2)); ml = math.log(D[tx,ty])/eesucceeded. I want to know whether it doesn’t support math.log(x,2) , and just support math.log(x).

https://stackoverflow.com/questions/49963487

Apr 22, 2018 · def calculate_log (lo, hi, val, base, level=0): level += 1 if level > 100: return (lo+hi)/2.0 mid = (lo + hi)/2.0 if pow (base, mid) == val: return mid if pow (base, mid) < val: return solve (mid, hi, val, base, level+1) return solve (lo, mid, val, base, level+1) You can make some adjustments for betterment.

## python – NumPy: Logarithm with base n – Stack Overflow

https://stackoverflow.com/questions/25169297

Nov 16, 2018 · To get the logarithm with a custom base using numpy.log: import numpy as np array = np.array ( [74088, 3111696]) # = [42^3, 42^4] base = 42 exponent = np.log (array) / np.log (base) # = [3, 4] Which uses the logarithm base change rule: Share. Improve this answer. Follow this answer to receive notifications. edited Jul 8 at 15:26.

## Calculate and print the 1000th prime number in Python …

https://stackoverflow.com/questions/70295526/…

7 hours ago · Calculate and print the 1000th prime number in Python. Ask Question Asked today. Active today. … It time to read a Python book and learn why proper indentation is really important. – gre_gor. … Thanks for contributing an answer to Stack Overflow!

## Log functions in Python – GeeksforGeeks

https://www.geeksforgeeks.org/log-functions-python

Oct 31, 2021 · Syntax : math.log (a,Base) Parameters : a : The numeric value Base : Base to which the logarithm has to be computed. Return Value : Returns natural log if 1 argument is passed and log with specified base if 2 arguments are passed. Exceptions : Raises ValueError if a negative no. is passed as argument. Python3.

## How do I calculate percentiles with python/numpy? – Stack …

https://tipsusahasukses.com/questions/2374640/how…

Dec 09, 2021 · answers Stack Overflow for Teams Where developers technologists share private knowledge with coworkers Jobs Programming related technical career opportunities Talent Recruit tech talent build your employer brand Advertising Reach developers technologists worldwide About the company Log Sign…

## What algorithm is used by computers to calculate logarithms?

https://math.stackexchange.com/questions/61209

I would like to know how logarithms are calculated by computers. The GNU C library, for example, uses a call to the fyl2x() assembler instruction, which means that logarithms are calculated directly from the hardware. So the question is: what algorithm is used by computers to calculate logarithms?