To generate a vector X = {1.0;1.1;1.2;1.3;...;2.0} enter:
To generate a vector Y = {1;3;5;7;9;...;21} you could enter:
GENERATE Y 1 2,,11 or
Y = [1:21:2]
To generate vector X filled with 50 random numbers between -2 and +3, enter: