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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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Modeling and Simulation Programming Language

I work with many different models and simulations. Some of the older models and simulations are written in FORTRAN. Some of those models have been converted to C++, but the current trend is to create these models using MATLAB/SIMULINK. From a…
SchwartzE
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How to simulate JavaScript in a client C# Applications

I'm writing a web crawler (web spider) that crawl all links in a website. My application is a Win32 App, written in C# with .Net framework 3.5. Now I'm using HttpWebRequest an HttpWebResponse to communicate with the web server. I also built my own…
user112899
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How to create a more efficient simulation loop for Monte Carlo in R

The purpose of this exercise is to create a population distribution of nutrient intake values. There were repeated measures in the earlier data, these have been removed so each row is a unique person in the data frame. I have this code, which works…
Michelle
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Generating random number by length of blocks of data in R data frame

I am trying to simulate n times the measuring order and see how measuring order effects my study subject. To do this I am trying to generate integer random numbers to a new column in a dataframe. I have a big dataframe and i would like to add a…
Markus Korhonen
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Python logging: override log time

Following Python's documentation, I'm trying to override logging.Formatter.converter in order to control the time logged.As you can see below - the milliseconds were not overriden (they are the current time milliseconds). How come? How can I control…
Jonathan Livni
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How to get a trace file for hard disk access?

I have implemented a simulation which takes trace file as input which basically tracks each request for read, write access to hard disk and process it. Can someone tell me how/where I can get this trace (track) file or if is there any kinda option…
Junaid
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Simultaneous simulations in python

I have a large set of simple simulations that I need to run, and I'm wondering if they can be done simultaneously. Let me describe the situation: I have 1000 draws of prevalence for ~100 diseases, and 1000 draws of corresponding disability weights…
mike
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Bioreactor Simulation for Ethanol Production using GEKKO

I am trying to simulate a DAE system that solves a fed-batch bioreactor problem for ethanol production using GEKKO. This is done so I can later optimize it more easily to maximize Ethanol production. It was previously solved in MATLAB and produced…
Chemical Engineering Student
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Co-Simulation: AnyLogic and Unreal Engine

I understand that AnyLogic has a 3D Engine to visualize simulations, as described in the AnyLogic Documentation. Since the Unreal Engine is one of the most powerful 3D engine, I was wondering if it would be possible to couple these two tools, maybe…
Dr No
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Keyboard Events Simulation using Node.JS

It's possible to simulate a keyboard stroke in node.js? Of course I would like to simulate the keyboard event on the machine where the node application is running, not in a html/js client application.
vannyn
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Object too fast for Collision in Unity

I'm currently making a simulation where disks are placed in a conveyor belt and sorted by color. When the sensor detects a white disk, a rectangular object 'pushes' out of the conveyor belt into a box, and it needs to move quickly. However, whenever…
codebeginner
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Change the number of resources during simulation in simpy

I am currently working on a model which simulates a delivery process throughout an operating day in simpy. The deliveries are conducted by riders which are delivering one package at a time. The packages need to be delivered within a certain time…
Joost Loth
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Simulation Problem Java

I'm new to simulation and i just wanted to find out the best approach to solve a certain problem i have come up with. I have a "world" in which there are different Locations (different cities). In each city, there are a certain random amount of…
Shile
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simulate dice with fair coin flip

Given a fair coin (0/1), how do you simulate fair dice(0 to 5) Obvious answer I know is toss 3 times, treat each toss as a bit to produce (2^3 = 0 to 7) If result == 7, discard and repeat. Well, theoretically worst case big-O of this is really bad…
Ajeet Ganga
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virtual networking on single machine

Is it possible to run more than one virtual machines on my PC using virtual box/ vmware/ virtual pc etc and connecting all of them together? So if i write an application like a chat program or something else, it treats running image as separate…
Amit Kumar Gupta
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