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#1
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How to divide array formula?
Hello every one,
I got this array: {0,0,1,1,0,1,1,0,1,1,1,1} Is there a way to SUM every 3 numbers? Desired result: SUM (0,0,1) SUM (1,0,1) SUM (1,0,1) SUM (1,1,1) It would return: 1 2 2 3 Thank you, Guntars |
#2
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How to divide array formula?
hi, !
better if you write-down your array (say) to range [B2:M2] and start with a formula like one of the following: op1: =sumproduct(subtotal(9,offset($b$2,,row(a1)*3-3,,3))) op2: =sum(index($b$2:$m$2,row(a1)*3-2):index($b$2:$m$2,row(a1)*3)) copy/drag down as needed hth, hector. __ OP __ Hello every one, I got this array: {0,0,1,1,0,1,1,0,1,1,1,1} Is there a way to SUM every 3 numbers? Desired result: SUM (0,0,1) SUM (1,0,1) SUM (1,0,1) SUM (1,1,1) It would return: 1 2 2 3 Thank you, |
#3
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How to divide array formula?
hi, again !
ok, if you don't want write-down your array, you will need an(other) array for the every 3 numbers in a way that this (new) array can be multiplied by your 12 elements array let's say you put three "ones" (1) in the range [K1:M1] you can start your sum operation (every 3) with the following CSE (array) formula: =sum({0,0,1,1,0,1,1,0,1,1,1,1}*n(transpose(offset( $b$1,,row(indirect("1:12"))+9-(row(a1)*3-3)-1,,12)))) and copy/drag down as needed hth, hector. __ previous __ better if you write-down your array (say) to range [B2:M2] and start with a formula like one of the following: op1: =sumproduct(subtotal(9,offset($b$2,,row(a1)*3-3,,3))) op2: =sum(index($b$2:$m$2,row(a1)*3-2):index($b$2:$m$2,row(a1)*3)) copy/drag down as needed __ OP __ Hello every one, I got this array: {0,0,1,1,0,1,1,0,1,1,1,1} Is there a way to SUM every 3 numbers? Desired result: SUM (0,0,1) SUM (1,0,1) SUM (1,0,1) SUM (1,1,1) It would return: 1 2 2 3 Thank you, |
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