Logical Excel 365 ◉ 20 views Dynamic Array

=BYROW()

Applies a LAMBDA function to each row and returns an array of the results

Applies To: Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for Mac
=BYROW(array, lambda(row))
Hover argument names in the table for details.
Output typeArray
Popularity35 / 100
VolatileNo
Dynamic ArrayYes
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◧ Arguments

ArgumentTypeRequiredDescription
array Array Optional An array to be separated by row.
lambda Any type Optional A LAMBDA that takes a row as a single parameter and calculates one result. The LAMBDA takes a single parameter:
row Range Optional rowA row from array.

▣ Examples

Example 1 =BYROW(B2:E10, LAMBDA(r, SUM(r)))
Example 2 =BYROW(B2:E10, LAMBDA(r, AVERAGE(r)))

⚠ Common Errors

#VALUE! Providing an invalid LAMBDA function or an incorrect number of parameters returns a #VALUE! error called "Incorrect Parameters".
Fix: ساختار LAMBDA را بررسی کنید که دقیقاً یک پارامتر (سطر) بگیرد.
#CALC! Not providing a LAMBDA function or anything but a single value returned from the LAMBDA function returns a #CALC error.
Fix: Use a calculation that gives a single result, such as SUM or MAX

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