Dadjoked by a math textbook.

This is just in the middle of a chapter and isn't even acknowledged by the surrounding passages. It's pretty baaad if you ask me. But really, thanks to this picture I will never forget what a shear transformation does.

Textbook is Linear Algebra and Its Applications by David C. Lay, since for some reason I feel like I should probably cite it.

👍︎ 26
👤︎ u/tananda7
📅︎ Nov 20 2014
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