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scripts default iconMultivariate Lognormal Simulation with Correlation (Scripts) Publisher's description

MVLOGNRAND MultiVariate Lognormal random numbers with correlation.

MVLOGNRAND MultiVariate Lognormal random numbers with correlation.

This function will generate multivariate lognormal random numbers with correlation.

Often one would simulation a lognormal distribution by first simulating a normal and then taking the exponent of it.

If you provide the correlation matrix to the multivariate normal random number generator and then exponeniate the results, you will not have the correlation stucture you input in the normal distribution because of the exponeniation. This function adjusts for that and passes the adjusted correlation matrix to the normal random number generator.

Mu = [ 11 12 13 ];
Sigma= [ .1 .3 .5 ];
Sims= 1e6;
CorrMat=[1 .2 .4 ; .2 1 .5 ; .4 .5 1];
y=MvLogNRand(Mu,Sigma,Sims,CorrMat );

ans =
1 0.19927 0.40156
0.19927 1 0.50008
0.40156 0.50008 1

CorrMat =
1 0.2 0.4
0.2 1 0.5
0.4 0.5 1

System Requirements:

MATLAB 7.0.1 (R14SP1)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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