2.3: Matrix Equations - Mathematics LibreTexts
https://math.libretexts.org/Bookshelves/Linear_Algebra/Interactive_Linear_Algebra_(Margalit_and_Rabinoff)/02%3A_Systems_of_Linear_Equations-_Geometry/2.03%3A_Matrix_Equations
WEBSep 17, 2022 · Definition 2.3.2: Matrix Equation. A matrix equation is an equation of the form Ax = b, where A is an m × n matrix, b is a vector in Rm, and x is a vector whose coefficients x1, x2, …, xn are unknown. In …
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