Lesson 15 of 20 · about 16 min
Change of basis
Manhattan's street grid is tilted about 29° from true north, so "walk uptown" and "walk north" are different instructions. The same arrow can be described in different bases, and the same transformation too. You'll translate coordinates between a slanted grid and the usual one, then hunt for the special basis in which a matrix becomes as simple as possible.
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In this lesson you'll learn:
- Coordinates in a basis
- Same map, new basis
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