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Shear.md (345B)

      1 # Shear (transformation)
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      3 3B1B
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      5 **Definition:** A shear is a type of linear transformation where one axis is 'slid' while the other reamins the same. 
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      7 The following is the form of a shear in R^2 where the x values are scaled and the y value stays the same:
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      9 (Horizontal)
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     11 [1 k]
     12 [0 1]
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     14 Note that k is an non-zero value.
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     16 (Vertical)
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     18 [1 0]
     19 [k 1]