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Discussion Groups | Matlab DSP | fix random rumbers

Technical discussion about Matlab and issues related to Digital Signal Processing.

  

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fix random rumbers - Romain Govav - Mar 1 9:54:00 2005




Dear all,

I am writing a program within which I am genereting
random normal numbers. I would like to get the same
random numbers from run to run. This helps me to check
my program.

Can anybody help me?

thanks in advance
Romain




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Re: fix random rumbers - feluda_n_byomkesh_fan - Mar 1 21:12:00 2005



Use help on randn. The relevant sentence for you is.

RANDN('state',0) resets the generator to its initial state.

Hope this helps,
Nandan

--- In , Romain Govav <rivagovav@y...> wrote:
>
> Dear all,
>
> I am writing a program within which I am genereting
> random normal numbers. I would like to get the same
> random numbers from run to run. This helps me to check
> my program.
>
> Can anybody help me?
>
> thanks in advance
> Romain





(You need to be a member of matlab -- send a blank email to matlab-subscribe@yahoogroups.com )

Re: Re: fix random rumbers - antonio - Mar 2 0:32:00 2005

Another thing you might try:
 
I think you can feed the seed you like to rand. So you can choose the same (known) generator for as long as you want. I did this in C but also Matlab should let you. Check the help on how to do it.
 
Antonio
----- Original Message -----
From: feluda_n_byomkesh_fan
To: m...@yahoogroups.com
Sent: Tuesday, March 01, 2005 6:12 PM
Subject: [matlab] Re: fix random rumbers



Use help on randn.  The relevant sentence for you is.

RANDN('state',0) resets the generator to its initial state.

Hope this helps,
Nandan

--- In m...@yahoogroups.com, Romain Govav <rivagovav@y...> wrote:
>
> Dear all,
>
> I am writing a program within which I am genereting
> random normal numbers. I would like to get the same
> random numbers from run to run. This helps me to check
> my program.
>
> Can anybody help me?
>
> thanks in advance
> Romain


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