Setting seed in random ('normal')
8 visualizaciones (últimos 30 días)
Mostrar comentarios más antiguos
I am using random('Normal',2,5,T,1) to generate vector of random numbers from normal distribution with mean 2, variance 5. I want to set the seed so that I can get same set of random numbers each time I run the m file. I am using matlab 7.10.0 (R2010a). I have tried with rand('seed',0) command before random('Normal',2,5,T,1) but it does not serve my purpose. Can anyone help me please?
0 comentarios
Respuesta aceptada
the cyclist
el 8 de Jul. de 2012
Editada: the cyclist
el 8 de Jul. de 2012
In that version of MATLAB, I am pretty sure that there are separate streams for rand() and randn(). I think random('Normal',...) effectively uses randn() in its guts. So, I believe you will get what you want if you just use
>> randn('seed',0)
0 comentarios
Más respuestas (1)
Luffy
el 8 de Jul. de 2012
Editada: Walter Roberson
el 8 de Jul. de 2012
I do not know about seed you r talking about,but if you want to get same sat of random numbers every time do this,
rng('default');
random('Normal',2,5,T,1);
rng('default');
random('Normal',2,5,T,1);
Every time you use random('Normal',2,5,T,1),make sure to put rng('default') before it & u end up with same set f random data every time
5 comentarios
Luffy
el 8 de Jul. de 2012
Editada: Walter Roberson
el 8 de Jul. de 2012
@ Walter: Is there a way to see which functions are not defined in which versions of Matlab in help file/ in forum ??,like rng is not defined in R2010a
Walter Roberson
el 8 de Jul. de 2012
Sorry, Luffy, there is no known list of which functions are defined in which version. If, though, your profile here is attached to a MATLAB license, then when you look at a documentation page, you can ask to search other releases, and hunt around until you find the version that introduces (or drops) the function.
Ver también
Categorías
Más información sobre Creating and Concatenating Matrices en Help Center y File Exchange.
Productos
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!