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Showing posts from April 12, 2019

Why linear maps act like matrix multiplication? The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)proof linear maps act like matrix multiplicationlinear transformation of a basis where $T(v_1) = w_1, …, T(v_n) = w_n$Basis in a Linear MapTranspose of the matrix of a linear mapHow to define the matrix of a linear map?Prove that all entries in $M(T, (v_1, … ,v_n), (w_1, … , w_m))$ are zero except for the entries in row j, column jNeed help to understand the uniqueness of linear maps on basis of domain.Linear Maps, Basis of Domain, and MatrixIs the linear map on basis of $V$ a basis of $W$?Prove there exist a basis of $V$ and a basis of $W$ such that all entries of $mathcalM(T)$ are 0 except row j and column j

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