All Questions
14
questions
3
votes
5
answers
1k
views
How do I speed up this simulation program
This is a program to solve a differential equation numerically using Euler method. As of now, it is very slow, and I need to run 10000 Monte Carlo simulations.
The differential equation is called ...
- 161
6
votes
2
answers
482
views
Means square displacement (MSD)
I have written a code to calculate the MSD of some molecules. The code averages over multiple time origins (sliding time window) and over all the molecules. I have also made it do one extra thing: do ...
- 61
10
votes
1
answer
329
views
From Hummingbirds to Ornithopters: Simulating the Aerodynamics of Flapping Wings
Ptera Software
A Flapping Wing Aerodynamics Simulator Written in Python
Motivation
About a year ago, I became fascinated by how animals fly. As an aerospace engineering student, it surprised me that ...
3
votes
1
answer
352
views
Particle simulator using Python - Why is the NumPy version slower than pure Python?
This is an interesting example from G.Lanaro's book, Python High Performance. The program is a simple simulator which describes movement of particles based on their positions and angular velocities (<...
- 159
8
votes
2
answers
1k
views
Schelling's model of Segregation Python implementation with Geopandas (Follow-up)
This is the repost of the following question as suggested by @HoboProber .
Again, if you don't know what is Schelling's model of segregation, you can read it here.
The Schelling model of ...
- 255
13
votes
1
answer
337
views
Population dynamic simulation on biological information maintenance 2
This question is the follow-up to this previous question.
Background
Using this simulation I investigate a system in which enzymes proliferate in cells. During the replications of enzymes, ...
- 325
9
votes
1
answer
202
views
Population dynamic simulation on biological information maintenance
Background
Using this simulation I investigate a system in which enzymes proliferate in cells. During the replications of enzymes, parasites can come to be due to mutation. They can drive the system ...
- 325
1
vote
1
answer
183
views
k-armed bandit problem in Python
I implemented k-armed bandit problem in C#, MATLAB and Python. C# and Matlab code run fairly fast (With same settings of T = 2000 and nRun = 1000 the elapsed time is about 6sec). However, the Python ...
- 159
7
votes
1
answer
3k
views
4-Bar Mechanism Generation
For a school project, I will design and prototype a bicycle brake that uses a four-bar linkage to accomplish its goal.
My Python 3 code does this mechanism generation, and implements methods to ...
- 21.8k
2
votes
0
answers
123
views
Sorting overlapping shells in dynamical simulation - for loops vs array methods
I didn't know whether it was best to start with the general task I'm trying to solve, or the meat of the programming problem. They're both below but the former is rather long and solving the latter ...
- 143
5
votes
2
answers
312
views
Attempting to run multiple simulations of the Gillespie algorithm for a set of stochastic chemical reactions in less than 10 minutes
I have written Python code that generates a plot. In the code below, when I set maxtime = 0.1, the program takes ~50s and when I set ...
- 53
3
votes
2
answers
565
views
Computation of population patterns in simple agent-based model
I've modeled the population changes for a group of agents that inhabit a 2D lattice (with wrapped boundaries) made up of M x M number of grids. At each time step:
...
- 241
7
votes
2
answers
299
views
Taking wind data and simulating future wind profiles
I am new to programming, and am using Python to take wind data and simulate future wind profiles. The code as written takes a while to execute and I was hoping someone could suggest ways to make my ...
- 71
3
votes
2
answers
611
views
How can I make my ant simulation faster?
I was not sure if I should post about 200 lines here. I want to make this ant simulation faster. The bottleneck is at Ant.checkdistancebetweenantsandfood().
It ...
- 183