Running long simulations on Matlab Online
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Hussein Ammar
el 7 de Nov. de 2017
Comentada: Sugar Mummy
el 7 de En. de 2022
Hi all,
I have Monte-Carlo simulations that take hours to finish (~ 17 hours). I was using a Desktop in my university Lab for this purpose, where I can keep it ON for days. But unfortunately, now I can't access it and I can't run Matlab on my laptop for that long time. By coincidence I discovered Matlab Online, and I'm wondering now is there a way to keep my code running on it even after I log out. Also, can it run 'parfor'.
Best Regards,
1 comentario
AKASH BHOYAR
el 27 de Dic. de 2021
Even I have similar kind of computation requirement (approx 72hours). Any ideas by anybody ?
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Edric Ellis
el 8 de Nov. de 2017
You could run a batch job submitted from your desktop machine to a cluster somewhere. You need access to a MATLAB Distributed Computing Server cluster installation. Perhaps your university already has one; otherwise, you might be able to take advantage of one of the cloud computing offerings that allow you to run batch jobs.
2 comentarios
Walter Roberson
el 12 de Nov. de 2017
I doubt you would be able to find a service that was willing to give you 17 hours of free computing (if services like that existed, people would use them for bitcoin mining.)
What you just might be able to find is a research computing service together with grants to pay for the service. For example, https://aws.amazon.com/grants/ or https://www.microsoft.com/en-us/research/academic-program/azure-research-award-ai-earth/
Más respuestas (2)
Walter Roberson
el 7 de Nov. de 2017
Unfortunately, MATLAB Online will not keep running after you log out, and it also has an interaction time-out of 50 minutes.
I have no information about whether it can run parfor.
4 comentarios
Walter Roberson
el 29 de Mayo de 2020
MATLAB Online only permits something less than 5 minutes of computation at a time, so it could not be used for this purpose anyhow.
Sugar Mummy
el 7 de En. de 2022
Hi @Walter Roberson I am using MATLAB-academic. My model is running fine for small time interval but not for long time simulation (~ 1800000 sec). Can you guide regarding this?
Anil Jangid
el 29 de Mayo de 2020
Background
You can add a custom function at the end of your script. For data preprocessing, the function should take the data returned from the datastore as input. It should return the transformed data as output.
function dataout = functionName(datain)
% do something with datain
dataout = ...
end
TASKCreate a function called scale at the end of the script that performs the following operations:
data.Time = (data.Time - data.Time(1))/1000;
data.X = 1.5*data.X;
Because these commands modify the variable data directly, your function should use data as both the input and output variable.
Note that the third line of the script calls the scale function. Your script won't run until this function has been created.
Also note that local functions must be at the end of a script. This means you will be editing the script sections out of order in this interaction. The section headings show which section of the script to edit in each task.
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