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  1. Feb 2022
  2. math.libretexts.org math.libretexts.org
    2.2: Multiplication of Matrices
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    1. JeffersonLagudas 05 Feb 2022
      You know how to multiply a matrix times a vector, using Definition 2.2.32.2.3\PageIndex{3} for each of the three columns. Thus [102211]⎡⎣⎢10−2231011⎤⎦⎥= [−1−29733]

      If I understand this correctly, we should break down our B matrix by columns, and treat each column as its own separate matrix-vector multiplication

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    math.libretexts.org/Bookshelves/Linear_Algebra/A_First_Course_in_Linear_Algebra_(Kuttler)/02:_Matrices/2.02:_Multiplication_of_Matrices