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Furlan

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09 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan random signals genera... 2 5
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09 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan

Yes the check 'sum(pmf)==1' causes problem.
To avoid the unexpected error, I eliminated the check In the new submitted version.
Thank you for your suggestions.

08 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan

I submitted a new version whit the help comments and
a vectorial engine.
Brg
Ivan

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09 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan Furlan

Yes the check 'sum(pmf)==1' causes problem.
To avoid the unexpected error, I eliminated the check In the new submitted version.
Thank you for your suggestions.

09 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan Jos (10584)

The help is certainly an improvement! You could add an H1 line to assist users of LOOKFOR.

However, floating point issues are not dealt with properly : rand_gen(x,[.1 .2 .3 .3 .1],N) returns an unexpected error .

And, as Michael Chen already pointed out, there are many alternatives on the FEX, including my own:
http://www.mathworks.com/matlabcentral/fileexchange/8891
09 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan Chen, Michael

please see
http://www.mathworks.com/matlabcentral/fileexchange/25481-discrete-multinomial-distribution-sampler
which is simpler and faster.
08 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan Furlan

I submitted a new version whit the help comments and
a vectorial engine.
Brg
Ivan

08 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan Jos (10584)

The lack of any help, comments, % symbol what so ever and the unvectorized engine makes this is poor submission. Finally, this functionality is already available here on the File Exchange.
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random signals generation
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09 Feb 2010 Generation of random number given the pmf n=rand_gen(x,pmf,N) Generates a random signal n oh length N from a desird pmf. Author: Furlan random signals genera... 2 5
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