All Questions
Tagged with numpy simulation
29 questions
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Split-step Fourier method for ultrashort pulse propagation predicts everything, but not the spectral phase
I'm implementing in Python the split-step Fourier method (SSFM) to solve the non-linear envelope propagation equation (NEE), and I'm including second and third order dispersion (GDD, TOD), self-phase ...
3
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5
answers
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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
512
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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 ...
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4
votes
1
answer
425
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Path of a particle in a non-uniform B field
I have completed my project which simulates the path of a particle trapped in a device known as a magnetic mirror. I would like your thoughts and improvements on my implementation.
Here is the code:
<...
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10
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1
answer
341
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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
1k
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N-Body Gravitational Simulation of Point-Masses in Python
I made an n-body gravitational simulation in python. The algorithm does produce an approximate solution, which is shown at the bottom of the post. Additional methods to produce animations (among other ...
user182606
3
votes
1
answer
355
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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 (<...
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8
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2
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1k
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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 ...
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6
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1
answer
589
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Schelling's model of Segregation Python implementation with Geopandas
If you don't know what is Schelling's model of segregation, you can read it here.
The Schelling model of segregation is an agent-based model that illustrates how individual tendencies regarding ...
- 255
5
votes
1
answer
334
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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 ...
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13
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1
answer
347
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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, ...
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9
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1
answer
220
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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
5
votes
2
answers
256
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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 ...
8
votes
1
answer
116
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Python implementation of approximating the chance a particle is at a location after n steps in the cardinal directions
Recently, I became very interested in a probability practice problem in my textbook for my class. I decided to implement it in code and I think I got most of it implemented. Right now, I'm hoping to ...
- 115
3
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2
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178
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Simulation of an alien population
Background
I've come across a puzzle (Problem 10 from this list of sample interview questions):
One day, an alien comes to Earth. Every day, each alien does one of four things, each with equal ...
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