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Results tagged with python
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user 76662
Python is an interpreted, general-purpose high-level programming language whose design philosophy emphasizes code readability. Use the python tag for all Python related questions. If you believe your question may be even more specific, you can include a version specific tag such as python-3.x.
7
votes
Return True if num is within 2 of a multiple of 10
I thought MrSmith42's answers were really compact and readable. But I wanted to see if they were faster.
Also, I wanted to test numpy for comparison. Here's my numpy version:
def near_ten5(num_lis …
- 1,626
3
votes
Determining if a word is an anagram of another
Inspired by MrSmith42's nice answer, I came up with a version that doesn't require sorting of the full arguments, just sorting of their Counter()s. And that sorting is triggered only if the set()s of …
- 1,626
4
votes
Checking a word grid
Inspired by Calpratt's observation that this is really a question about testing matrix symmetry, I wanted to post a numpy version.
from sys import exit
from itertools import permutations
import nump …
- 1,626
4
votes
Project Euler #2 in Python
Nice work getting the problem right. Here are a few pointers:
Storing the full array of Fibonacci numbers isn't necessary. You are taking the sum "as you go" and not storing every summand in the s …
- 1,626
1
vote
Accepted
Creating a count inversion array of an unsorted array of unique integers
In Python, line-profiler is an easy to use package for assessing the performance of your code. … Using numpy for applications like this makes sense because python doesn't have a mutable fixed-type data structure. …
- 1,626
2
votes
Accepted
Fast Python spring network solver
Starting from Jaime's solution, I noticed that np.bincount was being called in each loop iteration. This function seems to compute the mapping between links and knots, which is something that doesn't …
- 1,626
2
votes
Accepted
Checking convergence of 2-layer neural network in python
Why are your weights Python lists instead of NumPy arrays? If you're already using NumPy, you might as well use it wherever you can. …
- 1,626
2
votes
Accepted
Calculating doubling times from data points
Your code is doing the job, but I think there are a few ways in which it could be improved.
Consistent use of parameters for functions.
def doubling_time(m, x_pts, y_pts):
window = 10
…
- 1,626
2
votes
Particle swarm optimization - follow-up
I'm not experienced enough at OOP to give you meaningful feedback on your class models, but here are two quick things I noticed when scanning my novice eyes over your code:
Undocumented parameters. …
- 1,626
5
votes
Accepted
Imputing values with non-negative matrix factorization
In the while loop, the first call you make to nmf_model.fit_transform() is superfluous and can be removed. You aren't even using the results of the transformation calculation. The next line, where …
- 1,626
4
votes
Accepted
Downloading list of images
I think this is pretty good code! I have only a few minor suggestions:
Rename image and images to something that makes clear they are URLs, not files, not numpy ndarrays, and not any other format. …
- 1,626
3
votes
NumPy array as quasi-hash table
I think this looks pretty efficient. Let me add a few more minor, detailed comments (more than 1 year after the question was asked; I hope they are still useful):
After you convert to a NumPy array …
- 1,626
3
votes
Accepted
Find binary sequence in NumPy binary array
The python convention for naming functions is snake_case i.e. all lowercase with underscores, not camelCase. So findPulseSlow should be find_pulse_slow etc. … Watch out for places where you are inadvertently causing interconversion of NumPy data types and native Python data types. For example, sum(np.logical_xor(...) should be np.sum(np.logical_xor(...) …
- 1,626
5
votes
Army strength based on level and modifiers
All-lowercase (for functions) is good python style.
You're only using one function from random, so from random import randint is better than loading in the whole module with import random. …
- 1,626
2
votes
Dataset and frequency list generation by looping over files
Rather than having your two functions called explicitly at the bottom of the the code, the python idiom is to nest those calls under a if __name__ == "__main__": statement. … A very excellent Stack Overflow answer has more info on the if __name__ == "__main__": idiom in python. …
- 1,626