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>