Re: Grid
- To: mathgroup at smc.vnet.net
- Subject: [mg80951] Re: Grid
- From: Jon McLoone <jonm at wolfram.co.uk>
- Date: Thu, 6 Sep 2007 05:26:25 -0400 (EDT)
- References: <fblk36$qic$1@smc.vnet.net>
On Sep 5, 7:58 am, John <j... at lehigh.edu> wrote:
> I want to create a 9x9 grid that has specified positive integers,
> fewer than 81, entered in specified cells. I used SparseArray to enter
> the specified numbers in the specified cells, but it put a 0 in every
> unspecified cell.How do I convert the zeros to blanks?
>
> John
Use the third argument for SparseArray that gives the default value.
eg
Grid[SparseArray[{3, 3} -> 1, {9, 9}, " "], Frame -> All]
Jon McLoone
http://members.wolfram.com/jonm