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The matrix representation for rotation in homogeneous coordinates is

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The matrix representation for rotation in homogeneous coordinates is

(a) P’=T+P

(b) P’=S*P

(c) P’=R*P

(d) P’=dx+dy

This question was posed to me in an internship interview.

My doubt stems from Matrix Representations and Homogeneous Coordinates topic in chapter 2D Transformation and Viewing of Computer Graphics

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The correct choice is (c) P’=R*P

Easy explanation: The matrix representation for rotation is P’=R*P.

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