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Scale a sphere cantered on the point (1, 2, and 3) with radius 1, so that the new sphere has the same centre with radius 2.
Solution: Translate the sphere so that its centre is at the origin. Scale uniformly in all the coordinates by a factor of 2, and then translate the sphere back to its original position. The transformation will be given by taking the concatenation of following matrices.
Distinguish between uniform scaling and differential scaling? When the scaling factors sx and sy are assigned to the similar value, a uniform scaling is produced that maintain
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