automatically detect the size of a number set?

Leighton Durham

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Allow me to explain im trying to make an automatic matrix calculator where you can input any size of matrix and it will automatically detect it i currently am using a manual input for the size of the matrix but i want it to be automatic
1599624131710.png
dose anyone have any ideas of how i can detect the square size? this is the current layout
1599624348596.png
 

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For matrix A, you could use

=MACTH(1e+100,B2:B11) and =MATCH(1e+100,B2:K2)

then apply similar to the other matrices. Note that this will show an error if the matrix is empty.
 
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For matrix A, you could use

=MACTH(1e+100,B2:B11) and =MATCH(1e+100,B2:K2)

then apply similar to the other matrices. Note that this will show an error if the matrix is empty.
how exactly dose this work? i dont exectly understand the MACTH function
 
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First formula goes in J13, second one in K13.
 
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You're welcome (y)

Are you able to edit that to fit the second matrix?
 
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