I'm new with Maple and I'm trying to follow the tutorial about the 'CylindricalAlgebraicDecompose' command.
My question is probably very simple for anyone who knows how to use the program.
All I tried to do was to follow the following link and to get the same results as in the link (I added below the link and a screenshot from the link of the results I tried to get:
But this is what I actually got in my computer:
Can anyone tell me why I'm not getting the same results and what should I change in the commands?