Re: Matrix question
- To: mathgroup at smc.vnet.net
- Subject: [mg60299] Re: [mg60287] Matrix question
- From: "Ingolf Dahl" <ingolf.dahl at telia.com>
- Date: Sat, 10 Sep 2005 22:36:17 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
If n is size of matrix and 100p is the percentage, try
n = 10; p = 0.1; Table[UnitStep[Random[] - (1 - p)], {n}, {n}]
Best regards
Ingolf Dahl
> -----Original Message-----
> From: sandog [mailto:sandog at mail.gr]
To: mathgroup at smc.vnet.net
> Sent: den 10 september 2005 12:47
> Subject: [mg60299] [mg60287] Matrix question
>
> i want to create a NxN matrix with zeros but i want a
> percentage of the matrix spots to be one at random spots any
> idea? cause i have no clue how to do that.
> Any help appreciated thx .
>
>