LinearAlgebraReviewandReference

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Linear Algebra Review and ReferenceZico Kolter (updated by Chuong Do)September 30, 2015Contents1 Basic Concepts and Basic Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Matrix Vector-Vector Products . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . Matrix-Vector Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Matrix-Matrix Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Operations and The Identity Matrix and Diagonal Matrices . . . . . . . . . . . . . . . . .. The Transpose.

If so, take the time to check it for yourself! Second, we can also view matrix-matrix multiplication as a set of matrix-vector products. Specifically, if we represent B by columns, we can view the columns of C as matrix-vector products between A and the columns of B. Symbolically,

  Yourself, Represent