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seen Nov 20 '12 at 10:58

Nov
16
comment How to rotate an object around a fixed point?
@Eric thanks for
Nov
13
comment coordinate transformation
@teodron can you write the answer
Nov
13
comment coordinate transformation
@kshahar hi, do you know the answer ?
Nov
12
comment How can I reflect a point with respect to the plane?
@Eric I donot know how to solve it ?