Function setSize #
Count the number of elements of a (multi)set. When a second parameter is ‘true’, count only the unique values. A multi-dimension array will be converted to a single-dimension array before the operation.
Syntax #
math.setSize(set)
math.setSize(set, unique)
Parameters #
| Parameter | Type | Description |
|---|---|---|
a |
Array | Matrix | A multiset |
unique |
boolean | If true, only the unique values are counted. False by default |
Returns #
| Type | Description |
|---|---|
| number | The number of elements of the (multi)set |
Throws #
Type | Description —- | ———–
Examples #
math.setSize([1, 2, 2, 4]) // returns 4
math.setSize([1, 2, 2, 4], true) // returns 3
