All Questions
2 questions
1
vote
1
answer
209
views
Mismatch between Matlab log and Numpy np.log
While rewriting an old Matlab code to NumPy, I noticed differences in logarithmic calculation.
In NumPy, I use np.log, Matlab uses log function.
b = [1 1 2 3 5 1 1];
p = b ./ sum(b);
sprintf('log(%....
9
votes
1
answer
2k
views
Avoiding overflow in log(cosh(x))
My simulation needs to implement
np.log(np.cosh(x))
This overflows for large x, i. e. I'm getting the RuntimeWarning: overflow encountered in cosh warning. In principle, as logarithm decreases the ...