A webcomic of romance, sarcasm, math, and language.
Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—coming from November 2024. Preorder here!
( ( cos 90º sin 90º) ( -sin 90º cos 90º ) ) ( a1 a2 )t = [[The same (a1 a2)t matrix turned 90º to the right]]
{{In fact, draw all your rotational matrices sideways. Your professors will love it! And then they'll go home and shrink.}}
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