Differentiating Vector Functions?
Hi. I recently turned over to maple 13, after using TI InterActive! for 2 years. But i am having som problems working with vector functions in maple.
Here is a link to the PDF file with the exercise in TI:
https://docs.google.com/fileview?id=0Bx5y79IuSOVJNTAxNmJmODAtOGY3OC00NWRhLWI0ZTgtMzBmOWJhMzYzMDMw&hl=en
It's when i reach "Opgave 2d" that i get into trouble..
when i differentiate the r(t) function it just gives me an error..
"non-algebraic expressions cannot be differentiated"
And im just wondering wether there are other functions in maple to differentiate vector functions?
regards Adam.
P.S. Any help would be appreciated!

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