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I am reading computer graphics. I am unable to distinguish between Non-uniform Scaling and Shear. Can someone explain the difference with two different examples?

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  • $\begingroup$ There is in fact no difference. Consider a rectangle not aligned with the axis and apply a non-uniform scaling. What you get is a parallelogram... Conversely, any linear transformation can be seen as a combination of rotation and non-uniform scaling, by singular values decomposition of the matrix. $\endgroup$
    – user1703
    Mar 25, 2023 at 22:44

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