VB for Excel 2003, matrix question

Hi,

I have a matrix of locations and milages that form a grid to figure out how many miles you have traveled from point a to point b.

I only really know about select case, and IF statements, but is there a better way to select info out of a matrix?  Say if a user selects location2 for their starting point, and then location 10 for their destination, I would need a user defined function to look up on the matrix and pull out the correct distance traveled.  That distance then needs to be placed in a resulting cell.

So I should have 3 variables right?  One for loc1, one for loc2 and then one to store the destination?

Thanks for pointing me in the right direction.

yours,
Scott
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scottman29Asked:
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Patrick MatthewsCommented:
Hi scott,

No need for a UDF.  Use INDEX() and MATCH().

Regards,

Patrick
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scottman29Author Commented:
thanks I'll give it a try
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Patrick MatthewsCommented:
Do you need this from code or from Excel UI?

If from the UI, and assuming that your locations are in Row 1 and Col A:

=INDEX(1:65536,MATCH(loc1,A:A,0),MATCH(loc2,1:1,0))

Patrick
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scottman29Author Commented:
is the match formula really needed?  It seems to work fine with just index...
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Patrick MatthewsCommented:
Well, if it's working without MATCH, then I guess you don't need it :)

I typically find that I do, but then again I cannot see your worksheet.

Patrick
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