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Kapittel 2 · Lineærtransformasjonerrank · nullity

Rank, Nullity, and a Squashed Plane

0:39Fortellerstemme
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Rank-nullity by example — a singular 2×2 matrix squashes the whole plane down to one line. The image is that surviving line (rank 1); the kernel is the direction that collapsed onto the origin (nullity 1). Together they account for the dimension of the domain.

ranknullitykernelimagerank-nullity theoremsingular matrix
ForutsetterLinear Transformations: A Matrix Moves the Grid
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