Which co-ordinates allow common vector operations such as translation, rotation, scaling and perspective projection to be represented as a matrix by which the vector is multiplied.(a) vector co-ordinates(b) 3d co-ordinates(c) affine co-ordinates(d) homogenous co-ordinatesI got this question by my school teacher while I was bunking the class.This question is from Transformations between Coordinate Systems and Affine Transformations in chapter 2D Transformation and Viewing of Computer Graphics

Which co-ordinates allow common vector operations such as translation,

1.	Which co-ordinates allow common vector operations such as translation, rotation, scaling and perspective projection to be represented as a matrix by which the vector is multiplied.(a) vector co-ordinates(b) 3d co-ordinates(c) affine co-ordinates(d) homogenous co-ordinatesI got this question by my school teacher while I was bunking the class.This question is from Transformations between Coordinate Systems and Affine Transformations in chapter 2D Transformation and Viewing of Computer Graphics
Answer» Correct answer is (d) homogenous co-ordinates The explanation is: The FUNCTION of homogenous co-ordinates is to allow common vector OPERATIONS such as translation, rotation, scaling and PERSPECTIVE projection to be REPRESENTED as a matrix by which the vector is multiplied.

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