MAP
maps lambda over array values · from excel · excel: verified match · sheets: verified match
signature
MAP(array, lambda)
returns: array
| argument | required |
|---|---|
| array | required |
| lambda | required |
examples
formula and result, taken from the engine's own test suite — every result below is asserted in CI, not written by hand.
| A | |
|---|---|
| 1 | 10 |
| 2 | 20 |
| 3 | 30 |
fx
=MAP(A1:A3, LAMBDA(v, v * 2)) 20 errors
error values observed from the engine — each with a call that produces it.
| error | produced by |
|---|---|
| #VALUE! | =MAP(A1:A2, B1:B1, LAMBDA(a, b, a + b)) |
| #ERROR! | =MAP(A2:A3) |
related
- ARRAY_CONSTRAIN truncates a range to at most the given rows and columns
- ARRAYFORMULA evaluates an expression across a range (this engine already spills, so it is a pass-through for sheets compatibility)
- ARRAYTOTEXT converts array to text representation
- BYCOL applies lambda to each column of array
- BYROW applies lambda to each row of array
- CHOOSECOLS returns the specified columns from an array