All Questions
53
questions
5
votes
3
answers
909
views
Optimizing Pi Estimation Code
I'm trying to write a program in Python that estimates pi, but to get a more accurate estimation in a feasible amount of time, I want to make it faster.
I'm using a method that estimates the area of ...
2
votes
1
answer
132
views
Multithreaded sparse linear solver in Python
I would like to know if there are any multithreaded sparse linear solvers for LU decomposed sparse matrices.
I want to increase the solving speed of a system like:
...
- 29
6
votes
4
answers
436
views
Optimal Solution for the Four Divisors Problem on LeetCode
I recently encountered the Four Divisors problem on LeetCode and managed to achieve a 100% beat rate with my solution. I'd like to share it with you all and gather feedback on its effectiveness and ...
- 67
2
votes
1
answer
256
views
Python integer optimization with PuLP involving polynomials that I think can be faster
I have a problem where we are given multivariate polynomials in variables like y_i and z_j and the goal is to express them as sums of products of terms of the form y_i-z_j with nonnegative integer ...
- 225
5
votes
1
answer
287
views
Identify distance degeneracies on square and hexagonal lattices
I have an interest in how the number of ways you can reach from the origin to a certain distance on both square and hexagonal lattices. If L is the square of the distance and integer pairs (i, j) are ...
- 473
2
votes
1
answer
286
views
Finite difference estimation of partial derivatives for arbitrary grids in python
I am currently working on testing some codes on python to solve differential equations by finite differences, but some problems and equations i am dealing with are:
Too big to keep manually writing ...
- 123
6
votes
4
answers
2k
views
Find all ways to express each of a list of even numbers as the sum of 2 positive, even numbers
This code was a challenge from a friend. Essentially she wanted a way to
"Divide an even number into 2 even numbers."
So I made this quick and dirty Python program to find the solutions up ...
3
votes
1
answer
180
views
Applying a cost function to a string based on a pattern string
I have a cost function Cost_Func(pt,STRING) that calculates value in a specific way based on the given pattern string pt and ...
- 133
0
votes
1
answer
242
views
Optimizing a program that checks through a very large set of permutations
I'm not sure if this is the correct place for an optimization question like this, but I'm not even sure where to start looking. So here it goes.
There's this game I play that has very simple rules. ...
- 109
3
votes
1
answer
556
views
(Google Foobar XOR Checksum Challenge) How do i optimize this function to run for much larger values?
I wrote a function that accepts 2 integers start and length as input and returns the bitwise XOR of certain numbers as described below:
...
- 39
5
votes
1
answer
67
views
Exploring the space of 8 parameters of a physics problem to then be evaluated in ODE integrator as LSODA millions of times, efficently
there's a function in one of the scripts I've been working on that I really want to improve.
Disclaimer: Being honest, I'm not really very good at programming but I've been learning day to day and it'...
- 163
2
votes
0
answers
217
views
Maximizing Efficiency of Collatz Conjecture Program Python
My question is very simple.
I wrote this program for pure entertainment. It takes a numerical input and finds the length of every Collatz Sequence up to and including that number.
I want to make it ...
- 41
5
votes
1
answer
128
views
Find the mean magnitude of values inside unit circle
I'm fairly new to Python and am exploring how to fix functions and make code 'more effective and readable'. As a first step, I would want to try to make shorter snippets of code here - for example by ...
- 51
1
vote
1
answer
3k
views
Lo Shu Magic Square (Python)
I wrote a python program to find if a matrix is a magic square or not. It works, but I can't help feeling like I may have overcomplicated the solution. I have seen other implementations that were a ...
- 315
0
votes
1
answer
428
views
Finding Mersenne primes
An attempt to find Mersenne primes using the Lucas-Lehmer primality test:
...
- 11