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Linear Algebra: Invertibility
Oct. 29, 2023, 12:03 a.m. | Ben
DEV Community dev.to
What is Invertibility? What does that have to do with a matrix’s columns and shape?
For a matrix to be invertible, it must represent a bijective transformation. In other words, for every vector in its codomain, there must be exactly one input vector that maps to it.
The concept of range is relevant here, since, as its name suggests, the range
R(A)R(A)R(A)
of a matrix
AAA
is the set of vectors in the codomain that …
algebra concept every linear linear algebra maps matrix transformation vector words
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