HOW CAN I CALCULATE COORDIANTE POINTS OF CIRCLE?

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Deva Narayanan
Deva Narayanan 2018-12-7
评论： James Tursa 2018-12-7
CIRCLE.jpg
I have set of coordinate points of a circle and i want to rotate (15 degree ) the circle about x axis in counter clock wise direction. can any one explain me how to calculate coordinate points using matlab?

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Walter Roberson
Walter Roberson 2018-12-7
Build a rotation matrix . makehgtform can be useful for that. Then construct
[X(:), Y(:), zeroes(numel(X),2)]
and right multiply by the transform matrix . X and Y are the coordinates of the points on the circle . Discard the 4th column of the results of the multiply and what remains is columns of X Y Z coordinates .

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