The matrix \(\begin{bmatrix} 0 & -1 \\ 1 & 0 \end{bmatrix}\)

Example · High school

Terms

Term	This example	Why
array	✓
matrix	✓
linear map	✗

Distinctions using this example

• Array vs. matrix vs. linear map: It represents rotation by $90°$ in the standard basis, but it is a grid of numbers, not a function.

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