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## Calculate logarithm in python – Stack Overflow

**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

**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).

## Using recursion to calculate Log in Python – Stack Overflow

**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

**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 …

**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

**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 …

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**?

**stack**exchange.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**?