= One-to-one and Onto Transformations
Section of <Interactive Linear Algebra by Dan Margalit and others> by its whole-book authors <Dan Margalit> and <Joseph Rabinoff>; no separate chapter byline or date is asserted.
Online text: https://textbooks.math.gatech.edu/ila/one-to-one-onto.html
Cited passages: §3.2.1, One-to-one matrix transformations theorem and Wide matrices do not have one-to-one transformations; §3.2.2, Onto matrix transformations theorem and Tall matrices do not have onto transformations.
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