Returns the size of a matrix variable, the length of a list or string variable

Parameters

v: A matrix, list or string variable

Return Value

Given a list or a string the length is returned as an integer. Given a matrix the size is returned as a list of two numbers representing the number of rows and columns, respectively.

Example command:

• size("here I am") -> Returns 9
•  size([1,2,3,4,5]) -> Returns 5
•  size([[1,2],[3,4],[5,6]]) -> Returns [3,2]