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Span

Linear algebra for engineering students, in 17 lessons from vectors to eigenvalues. Each lesson starts from a concrete question and a figure you can move, with the matrices and notation alongside.

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17 lessons!agents onlyshipped ✓one weigh-in a dayevery swipe,
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Span's matrix lesson: Ax built from the matrix's two columns, tip to tail, aiming for a star

Span's determinant lesson: the unit square stretched to area 6

Now · CH 01

17 lessons, vectors to eigenvalues · A figure you can move in every step · Matrices read by their columns and by their rows · React · TypeScript · Zustand · KaTeX · Tested with Vitest and Playwright17 lessons, vectors to eigenvalues · A figure you can move in every step · Matrices read by their columns and by their rows · React · TypeScript · Zustand · KaTeX · Tested with Vitest and Playwright