This article describes the formula syntax of the ARRAY.MASK function.
Return array values where corresponding mask is non-zero.
ARRAY.MASK(array, mask)
array is an array or handle to an array. mask is a mask or handle to a mask to be applied to array.
If mask
is smaller than array
then it is
applied using cyclic indices. If array
has more than one
row then the mask is applied to rows.