Re: Grid
- To: mathgroup at smc.vnet.net
- Subject: [mg80953] Re: [mg80908] Grid
- From: Carl Woll <carlw at wolfram.com>
- Date: Thu, 6 Sep 2007 05:27:27 -0400 (EDT)
- References: <200709050654.CAA26992@smc.vnet.net>
John 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 > > > One can use the optional third argument of SparseArray: SparseArray[RandomInteger[{1, 9}, {30, 2}] -> 1, Automatic, ""] // Normal or SparseArray[RandomInteger[{1,9}, {30,2}] -> 1, {9,9}, ""] //Normal Carl Woll Wolfram Research
- References:
- Grid
- From: John <jwa0@lehigh.edu>
- Grid