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Assignment A: Q3

Posted by d-_-b 
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Assignment A: Q3
May 19, 2011 10:44PM
How many of you guys got Assignment A Q3 the first time?

What chapter and section in our study guide should I understand to do this?

I don't have a problem with Rotations and Translations and to be honest I think we will find a question like Q3 in the exam, this just interest me and so I wondered what did I skip. After looking at the answer it makes more sense with the translation and then rotation(after reading the wikipedia page on 2d Rotations I found the transformation matrix).

Also looking at previous exams I think it is a good assumption that they will supply us with the needed transformation matrices.
avatar Re: Assignment A: Q3
May 21, 2011 12:11PM
Just did matrix multiplication in 3A and noticed that my answer differs in sign.
Formulae in TB are for anticlockwise rotation, while square rotated clockwise.

Just in case anybody was wondering.
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