Re: Matrix question
- To: mathgroup at smc.vnet.net
- Subject: [mg60303] Re: [mg60287] Matrix question
- From: "J. McKenzie Alexander" <jalex at lse.ac.uk>
- Date: Sat, 10 Sep 2005 22:36:22 -0400 (EDT)
- References: <200509101046.GAA01771@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
On 10 Sep 2005, at 11:46, sandog wrote:
> 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 .
Table[If[Random[] < r, 1, 0], {n}, {n}]
Replace r with the desired frequency of ones and n with the dimension
of the matrix you want.
- References:
- Matrix question
- From: sandog <sandog@mail.gr>
- Matrix question