Monte Carlo Simulation Result Tabulation
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Benjamin Landers
le 12 Oct 2019
Commenté : Jeff Miller
le 16 Nov 2020
I am performing a Monte Carlo simulation for 2 soil properties which each having a defined range:
- Poisson's ratio (PR): 0.20<=PR<=0.50
- Young's Modulus (YM): 2<=YM<=250
I want to run this simulation to generate random values for the 2 variables 1000 times and then tabulate the results to show the 1000 combinations of variables. The table would roughly look like:
PR YM
0.23 101
0.46 204
...... .......
I'm not too sure how to write the variables into the table.
N = 1000;
for n = 1:N
% generate a set of random numbers x(0.2, 0.5)
PR = rand(2,5)/10;
YM = rand(2,250);
end
1 commentaire
Réponse acceptée
Jeff Miller
le 12 Oct 2019
% rand(2,5) doesn't do what you seem to think. Try this
% (with a little extra code that might help you see how to do this in general):
N=1000;
minPR = 0.2;
maxPR = 0.5;
PR = minPR + rand(N,1)*(maxPR - minPR);
minYM = 2;
maxYM = 250;
YM = minYM + rand(N,1)*(maxYM - minYM);
finalTbl = table(PR,YM);
4 commentaires
Omoniyi Tope
le 16 Nov 2020
I am using the 2013 version of matlab. How then should i have put it if that is the case?
Jeff Miller
le 16 Nov 2020
Just use PR and YM for whatever you want to do with them. It is not essential to put these variables in a table--that was just a convenient data structure that the original poster wanted to use.
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