RM constructor.

Usage:

obj = rm(year, month)

obj = rm(dateString)

obj = rm(datenumber)

Inputs:

• year: Year of the date.

• month: Month of the date (1 to 12).

• dateString: A string in the format ‘mm/dd/yyyy’ or ‘yyyy-mm-dd’.

• datenumber: regular date number

Example:

dateObj = rm(2023, 7);

dateObj = rm(‘07/01/2023’);

dateObj = rm(737999);

See also rd, rw, rq, rh, ra, ry