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SCAN
This function scans an array by applying a LAMBDA to each value and returns an array that has each intermediate value.
Syntax
SCAN ([initial_value], array, lambda(accumulator, value))
Argument
This function has the following arguments:
| Argument | Description |
|---|---|
| [initial_value] | (Optional) Sets the starting value for the accumulator. |
| array | An array to be scanned. |
| lambda | A LAMBDA that is called to scan the array. The LAMBDA takes two parameters: accumulator: The value totaled up and returned as the final result. value: The calculation applied to each element in the array. |
Remarks
Use the initial_value argument to set the starting value for the accumulator parameter. If you are working with text, set the initial value to "". If an invalid LAMBDA function or an incorrect number of parameters are provided, it returns a #VALUE! error called "Incorrect Parameters".
Data Types
Returns an array.
Examples
SCAN(1, A1:C2, LAMBDA(a,b,a*b))
SCAN("",A1:C2,LAMBDA(a,b,a&b))
Version Available
This function is available in product version 15 or later.