Comments on: 3D Array Formulas

By: Michael Schweit

Michael Schweit — Sun, 24 Oct 2010 17:45:00 +0000

I am trying to use Excel to sort club officers. Each club gets a sheet. How can I sort and report on the same position across the sheets? I assume this is an array, something I vaguely remember from programming about 30 year ago! Thanks in advance. Michael

By: Ola

Ola — Thu, 07 Aug 2008 01:58:00 +0000

With a bit of tweeking this should work: http://contextures.com/PivotMultConsol.zip
//Ola

By: Brett

Brett — Thu, 07 Aug 2008 01:36:00 +0000

=SUM(SUBTOTAL(9,(INDIRECT("Sheet"&"!"&ADDRESS({8,8,8},{7,7,7})&":"&ADDRESS({9,9,9},{8,8,8}))))) works. (Thanks, Lori)

Brett

By: Brett

Brett — Thu, 07 Aug 2008 01:32:00 +0000

I'm not quite there. How come =SUM(N(INDIRECT("Sheet"&"!"&ADDRESS({8,8,8},{7,7,7})&":"&ADDRESS({9,9,9},{8,8,8})))) does not evaluate to the same as =SUM(Sheet1:Sheet3!G8:H9)? It looks like N is just taking the first element of each range and the sum is operating on those. I'm not having any luch nesting another SUM. Any ideas?

Brett

By: ted

ted — Wed, 06 Aug 2008 18:59:00 +0000

How about true 3d array operations. I have 400 spreadsheets 100 by 20 that I need to slice and dice.

By: Steve

Steve — Thu, 01 Nov 2007 15:41:00 +0000

So, just to ask. How would I then create a sumproduct across two 3-d arrays using this approach.

By: Lori

Lori — Fri, 24 Feb 2006 18:38:00 +0000

Steve - It's true that for the example given a simple summation formula does the job, but the point is that this method extends to larger selections.

TO see this you can replace {1,2,3} by row(1:10) to sum across 10 sheets, or define the name 'AllSheets' as '=get.workbook(1)' to refer to all sheets in a workbook.

This 3D-type functionality also works with other functions than just n and t: subtotal,countif,sumif and database-functions also allow arrays as references.

By: Steven M. Britton

Steven M. Britton — Tue, 21 Feb 2006 01:24:00 +0000

Dick,

I've been coming here for a while and enjoy the readings. I'm not at the level of most of the folks that post here, but I am curious about this one. How is this different than =SUM($A$1)+SUM(Sheet2!$B$1)+SUM(Sheet3!$C$1). Wouldn't they return the same values?

I'm probably just not seeing the big picture of the use of this type of formula...

-Steve