Description
Seeds the O-Matrix random number generator,
using the system clock.
The seed depends on
the day of the month, hour, minute, and second of the day,
so that it will be different each time the function is called.
Example
clear
rand(1, 1)
returns the value
0.386184
where as
clear
ranseed
rand(1, 1)
returns a value that is different each time
