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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Designing a coffee machine
I was recently rejected from what looked like a really promising string of interviews. I did very well in a questionnaire style review, and then they handed me this assignment (more or less):
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MAC1 simulator/debugger
In constructing an answer to this question, I wrote a small debugger/simulator for the MAC-1 instruction set.
There are a number of simulators already out there, but most are either too old to be ...
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Monte Carlo virus infection simulation
I am learning C++ from a C background, and I was wondering if I could convert this old C program I'd written into C++ as a personal exercise. The original C program is a simple Monte Carlo simulation ...
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Multiplayer bowling in Ruby (follow-up: injection, single responsibility)
This is a multiplayer bowling simulator in Ruby. It allows for variable skill levels, and produces weighted random results for each player's rolls based on those skill settings.
This is a complete ...
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Simulating a GUI windowing system
I was eager to learn the implementation details behind windowing GUI systems. Because I am mostly a high level programmer having not much experience in low-level stuff, I had to simulate it instead of ...
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Model simulation using Java annotations
A couple of days ago I posted my code that models systems made up of moving parts. I got several great tips and ideas and here is my latest version. My actions are now methods annotated with @Action (...
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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 ...
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Simple n-body class in C++
As part of my training, I implemented a n-body class in C++ to simulate gravitational interaction of bodies and to get more familiar with features that C++ offers such as object oriented programming.
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Barnes-Hut N-body simulator
I have written an n-body simulator, implementing the Barnes-Hut algorithm. Please comment on anything you can see wrong with this.
Wikipedia Barnes-Hut page
This is a screen shot of the simulation 20 ...
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Suggestions needed after modification of Simulation of an Ocean
After suggestions given in this question, modifications to the code has been done.
Only thing I could not do is to decide, where to place the starveTime property (...
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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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Random D20 number generator
I'm teaching myself code using Zed Shaw's Learn Python The Hard Way, and I got bored during one of the memorization lessons so I thought I would make a random D20 number generator for when I play RPGS....
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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 ...
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Simulation of an ocean containing sharks and fish
As part of my Java learning, I tried solving Part I of problem description here. The only issue that I see now is that I could not close the button of Frame.
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Ant Colony Simulator
This program is a simulation of an ant colony, inspired by SimAnt. It doesn't do it off the batch; there must be code that instructs the ants to follow scent tiles in particular and react to the food.
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Discrete event simulation of a prioritized lunch queue
Note
This post is a continuation of Discrete event simulation of a prioritized lunch queue in Java (Data structures). Please refer to it for problem description.
This part about "algorithms": all ...
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Epidemic simulation
The purpose of this code is to simulate epidemics across a population. There are 625 (pop) individuals at random locations. The epidemic parameters are infectious period (inf_period), trans (...
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Monty hall python simulation
I have the following code that simulates the monty hall problem (see google for more details). I used sets to do it but is there a more intuitive or efficient way to do it?
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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 ...
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Randomizing and mutating algo class - functionality
See Randomizing and mutating algo class - style
I'm looking for a review of the functionality of this code, answers to the above question which also describes the code use focus on style instead.
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Skill Upgrades for Strategy Game
I built a simple class to handle skill increases for the workers in a strategy game for iOS. The basic idea is that whenever a worker finishes a job, their skill (which starts at 0) will increase by ...
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Change random list of numbers into all 5's using simple evolution simulation
This is supposed to be an evolutionary algorithmic program, and I'm not sure if it does what it's supposed to do.
It is supposed to take a random list of numbers (containing at least one 5), and over ...
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Vectorization for temperature simulation
I'm new to Matlab and I would like to know tips in order to reduce the processing time of such program. The scheme of the actual code is very similar to typical C++ code and I would like to vectorize ...
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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 ...
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Randomizing and mutating algo class - style
I've updated this question to be about code style only, as all of it's answered focused on this aspect. For the codes function, see Randomizing and mutating algo class - functionality
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Generating stock prices using geometric brownian motion
I am writing a c++ class of "A simple least squares approach" by Longstaff and Schwartz. I have only finished writing a function for creating the stock price paths using geometric brownian motion. I ...
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Worker AI and Job Queue Management for Simulation Game
So I've been working on AI for a Tower Building simulation game for quite a few days, and I think the code would really benefit from review. I'm a hobbyist programmer, but I really care about doing ...
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2
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Follow up Implementation on Monty Hall Simulation
I have taken your inputs on my original question and formed a new implementation of the Monty Hall Simulation:
Again keep an eye on CleanCode and OOP
The Price to be won:
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Python object-oriented pipe cooling simulations
Here is my code simulating liquid in a pipe cooling under different conditions. How did I do approaching this in an object orientated way? Is there any way I can improve this code?
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Animation of an incremental rotary encoder
While reworking my teaching materials for an exercise of an introductory course on mobile robotics, I recently created a animation/simulation of an incremental rotary encoder, e.g. often used for ...
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Simulating a random packet routing algorithm and printing packet statistics in Java
I have this short program for simulating a random packet routing algorithm:
Packet.java
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3
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1
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Ruby program to simulate a game of Narcotic Solitaire
In the game of Narcotic Solitaire, played with a standard 52-card deck, the player deals a row of four cards onto the table, from left to right. If all four cards are of the same value, they are ...
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Simulating a system of moving points
This is an update of the code from my previous question.
I'm simulating a system of particles which interact with each other and move and rotate due to the interaction. There are 2000 particles in ...
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Classic Hundred Doors Simulation
I am doing the 100 Doors problem as an exercise to practice user input and loops. I do understand the problem can be solved by outputting every square number up to the maximum number, but it defeats ...
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2
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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 ...
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2
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2
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Genetic Drift simulator
Genetic drift — along with natural selection, mutation, and migration — is one of the basic mechanisms of evolution.
In each generation, some individuals may, just by chance, leave behind a few ...
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Simulation of interacting particles [closed]
I'm simulating a system of particles which interact with each other and move and rotate due to the interaction. There are 2000 particles in total but each particle interacts with other particles and ...
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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.
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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 ...
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2
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Implement operation and simulation mode in an interface [closed]
Context:
I have to create an interface between devices and a client.
My package is composed of:
Device.py
Error.py
DeviceA.py (for example)
DeviceB.py
...
Basically each ...
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Discrete event simulation of a prioritized lunch queue in Java (Data structures)
(See also the Algorithms part.)
Post details
The program I am putting for being reviewed does not fit entirely in a single post, so I have to resort to the equation by Niklaus Wirth:
Algorithms + ...
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