All Questions
Tagged with numpytime-limit-exceeded
16 questions
2votes
1answer
99views
Performance issue in python- network creation based on the Euclidean distance with nested for loops is too slow
I want to create a network in which the links are formed based on a similarity metric defined as the Euclidean distance between the nodes. The distance is calculated using socio-demographic features ...
- 21
1vote
2answers
273views
Read coordinates from many files and calculate polygon areas
My goal with this snippet is to create an array of coordinates which in turn is a tuple of 68 elements, area and modified area array for all 10k elements and assign it to the ...
- 844
4votes
1answer
105views
5votes
1answer
331views
Agent based model in Python
My model is based on the Ultimatum Game. I won't go into the intuition behind it but generally speaking it functions as follows: The game consists of a n × n lattice on which an agent is placed at ...
5votes
2answers
247views
Birthday paradox simulation
I'm writing a simulator which checks how many balls we need to occupy every box or how many balls we need for any box has at least 2 balls (birthday paradox). I wrote the script in python and it is so ...
2votes
1answer
51views
Calculating the potential of a matrix of size (424600, 55)
I have the following working code to calculate the potential of a matrix after normalizing the matrix. But it is too much time consuming. Is there a way to make this code run faster? ...
- 233
12votes
1answer
1kviews
Looking for a way to create a particular matrix in python in a less amount of time
I want to create a matrix like this in Python: $$ \begin{pmatrix} 0 & 0 & 0 & 0 & 1 & 1 & 1 & 1 & 2 & 2 & 2 & 2 & 3 & 3 & 3 & 3\\ 0 & 1 &...
- 223
3votes
0answers
1kviews
Searching for the location of a sub-image within an image
I have a number of images that were cropped and their backgrounds removed. I've tried to write a function that will search the original unmodified image for the cropped image so that I can restore the ...
- 171
4votes
3answers
421views
Estimating the number of tanks based on a sample of serial numbers 2.0
There was some confusion with the code I had posted in my previous version of this question and there was some good advice from @Oscar Smith. The explanation is the same; please give improvements for ...
- 275
7votes
1answer
164views
Speeding up maximum self-similarity test for heavy tail-exponents
I am trying to reproduce results from a research paper using python. I've checked my method and it works on relatively small sample datasets. However, the code does not run for my actual dataset, ...
user127168
3votes
1answer
145views
Analyzing pair by pair DNA sequences with for loops in Python
Here is a code I would need to make far faster: it is made to analyse more than 3000 DNA sequences of more than 100 000 characters each. The matter is I have to compare it by pair, so that would be ...
- 347
2votes
1answer
908views
Quickly find percentile with high precision
I need to find the percentile where a list of values is higher than a threshold. I am doing this in the context of optimization, so it important that the answer is precise. I am also trying to ...
- 431
2votes
1answer
4kviews
Finding the percentile corresponding to a threshold
I need to find which percentile of a group of numbers is over a threshold value. Is there a way that this can be speed up? My implementation is much too slow for the intended application. In case this ...
- 431
7votes
3answers
1kviews
Rating tennis players in a database, taking days to run
I have this project in data analysis for creating a ranking of tennis players. Currently, it takes more than 6 days to run on my computer. Can you review the code and see where's the problem? ...
20votes
1answer
734views
Remapping and interpolating 255x1024 array
I have a function that accepts a \$255\times1024\$ array and remaps it to another array in order to account for some hardware related distortion (lines that should be straight are curved by the lens). ...
- 303
