LEFTARRAY

=LEFTARRAY(array,n,direction)

array
array to be evaluated
n
number of columns (or rows, or both) to be returned
direction
0 or blank to return n columns, 1 to return n rows, 2 to return n columns and rows

LEFTARRAY returns the LEFT N columns (or rows or both) of an array.

RicoS

Board Regular
Joined
May 1, 2019
Messages
62
LEFTARRAY returns the LEFT N columns (or rows or both) of an array.

Excel Formula:
=LAMBDA(array,n,direction,INDEX(array,SEQUENCE(IF(direction=0,ROWS(array),n)),SEQUENCE(,IF(direction=1,COLUMNS(array),n))))

Lambda - Last Cell and Split.xlsx
BCDEFGHIJKLMNO
1Original ArrayLeft 2 ColumnsLeft 2 RowsLeft 2 columns and rows
2thisismythisisthisismythisis
3arrayofwordsarrayofarrayofwordsarrayof
4ornumberslikeornumbers
512312
6
Sheet1
Cell Formulas
RangeFormula
F2:G5F2=LEFTARRAY($B$2:$D$5,2,)
I2:K3I2=LEFTARRAY($B$2:$D$5,2,1)
M2:N3M2=LEFTARRAY($B$2:$D$5,2,2)
Dynamic array formulas.
 
Upvote 0
Is it possible to somehow change LEFTARRAY so that one could use
=SUM(LEFTARRAY(B8:M8,A1,))
where A1 holds number of columns?

(Yes I know there are more ways to do what I want)
 
Hans, I would suggest not! LEFTARRAY has been superceded by "official" Microsoft functions such as TAKE, or DROP. They would work much better for what you want to do I think.
 
@RicoS
Thank you.
You are quite rtight =SUM(TAKE(B3:M3,,A1)) works fine.
 

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