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Questions tagged [simulation]

Simulation is the imitation of some real thing, state of affairs, or process. The act of simulating something generally entails representing certain key characteristics or behaviours of a selected physical or abstract system.

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A web page for running AI vs. AI Connect Four matches with selection of algorithms and search depths

This time, I have prepared this page where a user may select what AI bots will be run in the game of Connect Four. The entire repository is here. Code index.html: <...
coderodde's user avatar
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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 ...
Jonathan Wick's user avatar
3 votes
1 answer
58 views

how to launch multiple processes efficiently

I have a list of car models which I want to simulate by launching multiple instances of an external simulator executable. My application stores the current status of all the cars that are being ...
Harry's user avatar
  • 429
1 vote
1 answer
143 views

Dial up some obscure stats for the Chutes and Ladders game

Years ago, I wrote some code in Perl for the Chutes and Ladders game. I re-wrote the code here in Python. The code simulates one player in a game to see how many spins of the dial are needed to win ...
toolic's user avatar
  • 3,751
2 votes
3 answers
163 views

Friendly probability puzzle solved with simulation

A friend posed to me a question to see if I could solve it. He says I solved it appropriately. I was hoping someone here could give me a review of the program I wrote to answer it. I figured it would ...
Dan's user avatar
  • 271
3 votes
1 answer
61 views

Simulating a Moving Average Process

I was studying stochastic processes and thought to independently simulate a moving average process. ...
insipidintegrator's user avatar
4 votes
2 answers
484 views

Spatial radius search in Boid simulation

I am working on a Boid simulation with 10,000 boids. I've successfully utilized geometry shaders and an array<GLfloat[3], MAX_BOIDS> for vertices to enhance ...
nowox's user avatar
  • 1,099
2 votes
1 answer
88 views

Agent based Dengue transmission simulation

I'm trying to implement the dynamics of Dengue transmission between mosquitoes and humans. I decided create two classes, one for the human population and another for the mosquitoes. Both are based on ...
Athansya's user avatar
0 votes
1 answer
75 views

Temperature of a Lennard-Jones system

Are the formulas used in getTemperature() and setTemperature() correct? ...
user366312's user avatar
1 vote
2 answers
161 views

Minimalistic implementation of Leapfrog integration algorithm (2)

Please review this C++ listing of an implementation of Leapfrog integration. This C++ listing is rewritten according to this review. ...
user366312's user avatar
1 vote
1 answer
64 views

Counting number of time frames in a simulation trajectory file

I have written a function in c++, which accepts an "ifstream" object (file) to read from and a string to match a header token in the file. This way I am counting how many times a token ...
Syed Shuja Zaidi P19PH007's user avatar
1 vote
1 answer
64 views

Flowers in the Window: An Exercise in Using Classes and Objects in Rust

The Problem As part of my doomed efforts to learn Rust, I decided to get to grips with how the language handles classes and objects. But, instead of taking on some well-known exercise, I thought it ...
Tom Hosker's user avatar
1 vote
1 answer
67 views

Molecular Simulation: PBC using the Ewald Summation technique

The following is a Rust implementation of polymer simulation where the PBC(periodic boundary condition) has been implemented using the Ewald Summation technique. Can you review the code? Is the PBC ...
user366312's user avatar
6 votes
2 answers
869 views

Molecular simulation: Minimum Image Convention

Can you review the following code to check to see if the Minimum Image Convention is properly implemented? ...
user366312's user avatar
0 votes
1 answer
248 views

Python Logic Gate Circuit Simulator [closed]

I have recently become interested in simulating logic circuits because of a electronics class at school. I have created a functioning simulator for logic gate circuits in Python. My implementation ...
turt1edman's user avatar
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 ...
mjksho's user avatar
  • 61
2 votes
1 answer
161 views

Simulation of a real capacitor to calculate its capacitance

The goal is to simulate a real flat plate capacitor in 2D. The potential of the armature is fixed to +V and -V, on the edges of the simulation cell the potential is zero. Between the plates of the ...
Pietro Scapolo's user avatar
2 votes
1 answer
84 views

Smoothed Particle Hydrodynamics in Rust

So I'm simultaneously learning both Rust and Smoothed Particle Hydrodynamics. I've been using this video from AMD as a reference and the provided smoothing kernels. At this stage, I've not optimised ...
ScottishTapWater's user avatar
1 vote
1 answer
195 views

Simulating a toilet seat usage in Java - follow-up

(See the previous iteration.) This time, I removed the stuff I don't need in my demo runner. Also, I consolidated some code that seemed DRY to me. Simulation rules When a female arrives, she ensures ...
coderodde's user avatar
  • 28.7k
2 votes
2 answers
125 views

Simulating a toilet seat usage in Java

(See also the next iteration.) I have this small simulation program simulating a toilet seat. The toilet seat may be in two positions: up or down. If a male arrives to the toilet to urinate, and ...
coderodde's user avatar
  • 28.7k
3 votes
1 answer
71 views

I made a webpage that simulates sharks eating fish in the torrid world of Wa-tor

I've been self-studying HTML/CSS/JS. I read about Wa-tor. It's a population dynamics simulation which simulates fish and sharks breeding and predating. This seemed cool so I decided to implement it....
Jeff's user avatar
  • 33
4 votes
2 answers
1k views

Traffic simulation GUI: an exercise in concurrent programming using threads

To avoid a code dump I have removed most of the code and left the first few lines of constructors and methods and anything relevant. Full code at the bottom. The purpose of this code is to use threads ...
Corey Hodges's user avatar
11 votes
3 answers
516 views

Membrane protein diffusion in different confinement models

I am a junior Software Engineer, C++ is usually my main jam but I started picking up Python for a research project I am doing in college. I am eager to learn as much Python syntax, tricks, best ...
hexaquark's user avatar
  • 213
2 votes
1 answer
360 views

Simulation of sand particle collision

I am making a module that allows you to create sand and simulate it. I have successfully done this, but it runs very slowly. I need this to be able to simulate at least 1000 particles, at a fps higher ...
susthebus's user avatar
2 votes
1 answer
148 views

plotting Monte Carlo Simulation from excel sheet

I have created the following code: Option Explicit ...
user avatar
2 votes
1 answer
77 views

Estimate an average duration of every game state in a football match given implied goals for home and away teams

What my program does I'm trying to estimate for how many minutes in average a football(soccer) match will be in different game states depending on implied goals of both teams. Problem domain For our ...
Konstantin Kostanzhoglo's user avatar
7 votes
2 answers
592 views

Dice league, putting players against each other

I've got this code: ...
Nils Edström's user avatar
3 votes
0 answers
80 views

Finds a moving target within a given space

https://youtu.be/XEt09iK8IXs?t=1264 Ben Awad did a mock interview with a React developer, and asked this question. There are a set of 100 holes (0-99). A rabbit is located in one of these holes. Every ...
Stephen Williams's user avatar
8 votes
2 answers
245 views

Frozen yogurt shop simulator

I made this project that simulates a frozen yogurt shop, where you can pick your flavor, toppings, and sauces and then pay for it. I'm a beginner at python and this is my first project. I don't even ...
Nadia's user avatar
  • 81
2 votes
1 answer
271 views

Heston model implementation in C++

I have implemented an option pricing algorithm following the Heston model. The simulation involves specifying the number of simulations, then generating a discretized path for each simulation (code ...
MattA's user avatar
  • 23
2 votes
1 answer
547 views

Electronic circuit logic gates simulator

I've seen a lot of C++ simulators implementing logic gates, but absolutely all of them use the wrapped bitwise operations of the programming language itself. I have tried to omit the use of a bitwise ...
LXSoft's user avatar
  • 155
8 votes
1 answer
860 views

Python implementation of a Galton board simulation

I watched a YouTube show the other day in which a variant of a Galton board is used to make a random selection from a range of movies that will be reviewed in that show. In contrast to a standard ...
Schmuddi's user avatar
  • 487
5 votes
4 answers
3k views

Coin flip streaks in Python

Below is the wording from the problem in Automate the Boring Stuff book. The bold text leads me to believe that I should be checking for a streak and not multiple streaks within each experiment of 100 ...
a-rizzo's user avatar
  • 51
3 votes
1 answer
258 views

Percolation threshold simulation using C++

I am studying Algorithms by Princeton University. The first week assignment is to simulate percolation by using Java. https://coursera.cs.princeton.edu/algs4/assignments/percolation/specification.php ...
yip's user avatar
  • 135
10 votes
1 answer
921 views

High performance physics simulation - core class design

Below is some stripped down code from a physics simulation. The classes Vector2, Line and ...
Oliver Schönrock's user avatar
3 votes
1 answer
502 views

Barnes-Hut \$n\$-body simulation (3D) in C++

I have implemented the Barnes-Hut algorithm for \$n\$-body-simulations (in this case "sort-of" 3D-gravity - see below). I'd appreciate any comments for improving my code (especially ...
Paul Aner's user avatar
  • 131
6 votes
1 answer
781 views

Plants vs. Zombies simulator

I am making a pvz simulator. We have a game board with 1 = peashooter and 2 = zombie: ...
Alan Bagel's user avatar
2 votes
1 answer
425 views

Robotic swarm simulation: aggregation

This program simulates the phenomenon of aggregation of a swarm of robots with no cooperation between each other and each robot following a very simple rule: The velocity of this robot has a random ...
Caridorc's user avatar
  • 27.5k
1 vote
1 answer
292 views

Conway's Game of Life in C++ with a Board Struct

I made the game of Life in C++ for a highschool class project. The website we're using doesn't have an autograder for C++, and my programming teacher doesn't really know how to program... so I'd love ...
digital_drako's user avatar
5 votes
1 answer
782 views

Monte-carlo simulation code - simple exercise

I created a quick monte-carlo simulation which seems to do what I want (simple version below). The code basically simulates a Poisson distribution, say this results in a simulation of ...
lmkir99's user avatar
  • 53
4 votes
1 answer
409 views

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: <...
Dila's user avatar
  • 215
1 vote
1 answer
93 views

Quickly update, clone, and iterate ball simulation

What the program does: I have made a program that simulates a ball in an area made of triangles and many optimizations because it's for high-performance ball path simulation (technically ball path ...
VirxEC's user avatar
  • 207
5 votes
1 answer
124 views

The python code simulates an environment of a disease and calculates how many people get infected

The python code simulates an environment of an X number of persons with an Y number of places they can go to, puts the persons randomly in the places and calculates how many persons get infected, die ...
R0Best's user avatar
  • 75
1 vote
0 answers
739 views

Solving the Knapsack Problem With a Genetic Algorithm Simulation in Python

I was watching Computerphile's video on using genetic algorithms to solve the Knapsack problem, and I decided to give it a whack. For anyone running the code, the ...
Jose Fernando Lopez Fernandez's user avatar
3 votes
1 answer
92 views

Simulating disease spread in a population

I am trying to build a model that allows me to estimate the spread of disease in the population. The setup is similar to the SIR model, with the difference that this model includes the stochastic ...
KLMK's user avatar
  • 31
6 votes
4 answers
933 views

Monty Hall simulation - OOP

I mainly write code for data analysis so don't think about or use OOP at all on the day job. I thought I'd have a go at a simple Monty Hall simulation in an object-oriented style to figure out how it ...
henryn's user avatar
  • 163
4 votes
2 answers
116 views

Simulate transmission spectrum of extreme ultraviolet laser pulse through laser-dressed finite sample (Python Version)

I am currently participating in research on transient absorption spectroscopy and four wave mixing. In the experimental design, an extreme ultraviolet (XUV) laser pulse and infrared (IR) laser pulse ...
Matt Bowman's user avatar
3 votes
0 answers
37 views

MatLab: Plotting Output Electric Field Spectrum

Goal This code combines two matrices, diagonalizes that matrix, and finds the right and left eigenvectors, right and left eigenvectors are normalized with respect to each other, then it is multiplied ...
Mate's user avatar
  • 31
5 votes
1 answer
51 views

Simulate transmission spectrum of extreme ultraviolet laser pulse through laser-dressed finite sample (MATLAB version)

I am currently participating in research on transient absorption spectroscopy and four wave mixing. In the experimental design, an extreme ultraviolet (XUV) laser pulse and infrared (IR) laser pulse ...
Matt Bowman's user avatar
1 vote
1 answer
2k views

C# Coffee Machine

I saw this post and tried to do my attempt. This is the requirement of task: Design a coffee machine which makes different beverages based on set ingredients. The initialization of the recipes for ...
Learner's user avatar
  • 143

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