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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Monte carlo simulation - what's wrong?

I want to calculate area under the curve using monte carlo simulation of function . I want to calculate it on interval [-2, 2] My work so far # Define function f f <- function(x) x^2 + 1 # I want to close my function in rectangle (-2, 2) - x axis…
Lucian
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I'm trying to make conway game of life but something happening

edit: i made a huge mistake in the qeustion don't bother trying to help. I'm trying but when ever run the code, I get a window that I can draw on but when i run (which i set the button to key pad enter) the simulation, it get rid of all the…
pawnadona
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How to assign alternative values to a variable relative to another variable in Ox (a bit similar to C++)

I was simulating some data with Ox (syntax similar to C, C++ and Java) and I was stuck in my assignation part. Let's say, I have this function simulating my data, g_mY: decl g_mX, g_mY; simuldata(const ct) // ct : number of observations { …
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Problem Plot: Error in xy.coords(x, y, xlabel, ylabel, log) : 'x' and 'y' lengths differ

Good morning, I have a problem plotting. In the last 10 lines of the syntax I try to create a plot for the bias but I get the following error: "Error in xy.coords (x, y, xlabel, ylabel, log): 'x' and 'y' lengths differ" It seems that there is an…
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Collision Of Balls Code Isn't Working, Balls Sticking Together

So I am trying to create a code that will correctly show the elastic collision of two balls of different masses. The code works if I give the balls equal masses but does not work for different masses. I have tried messing around with a ton of stuff…
Corey D
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How to program a complex set of interrelations?

First, I'm sorry about the title, that was the best I could come up with. What I mean is something like, a program that tells me that when A goes up, B goes down, which makes C go up, which increases the likelihood that D and E will go down, sending…
San Diago
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Openmodelica simulation of large model with OPC client connection crashes

I am using OpenModelica 1.18.0~dev-259-g9ebba11 on Ubuntu 20.04.2 LTS 64bit and have developed a fluid system model that throws errors when simulating with the flags -embeddedServer=opc-ua -rt=0.1. Even though startup of the embedded opc server,…
Briant
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number of items to replace is not a multiple of , MonteCarlo Stochastic Process R error

## set.seed(123) SimpleEulerApproximation = function(T,x,a,b,delta){ numberofSteps = T/delta; TimeSteps = rep(numberofSteps,1); Y = rep(numberofSteps,1) Y[1] = x; for (i in 1:numberofSteps){ TimeSteps[i] = 0 + i*delta; } for (j in…
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Anylogic, how to setup a button so it would restart the simulation

Good day, Currently, there are 6 edit boxes, which are connected to specific parameters in the model (and the user can edit these boxes in the model runtime) and a button that doesn't do anything. I want to make this button to restart the…
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How to get normal probability distribution from a simulation on car agains car?

I want to understand why I am not getting a probability distribution when I use a simulation from a random normal distribution: library(tidyverse) df <- mtcars # data df$sd <- sd(df$mpg) # standard deviation of the sample set.seed(123) f <-…
Pastor Soto
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Assign priority to 50% agents in anylogic

I want to assign priority to my agents and then queue them based on that. I have an agent Container which has two parameters carrier (which can be either Truck or Train) & priority (which is to be assigned with some value). 50% of agents where…
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How to determine the optimal capacity for Quadtree subdivision?

I've created a flocking simulation using Boid's algorithm and have integrated a quadtree for optimization. Boids are inserted into the quadtree if the quadtree has not yet met its boid capacity. If the quadtree has met its capacity, it will…
Michael Moreno
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Log the selected resource in Simmer for R

I'm trying to create a simulation model that describes traffic near the motorway gates. I have added the resources motorwayGate <- simmer("motorwayGate") %>% add_resource("counterCards", 1) %>% add_resource("counterCash1", 1) %>% …
igy234
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Simulate data with correlations to multiple other vectors

I am trying to simulate a vector that is correlated to a few other vectors. I figured out the code for simulating a vector correlated to one other vector, but can't figure out how to simulate it with correlations to multiple other vectors: Here is…
Cae.rich
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How can i make my randomly moving object move in a specific angle in pygame

Full Code self.VEL = 3 self.RAND = numpy.linspace(-self.VEL, +self.VEL, 100) # calculating value between -2 and 2, a total of 100 values ----------------------------------------- if self.new_line: self.deltax = random.choice(self.RAND) …
salzig1
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