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Matrix multiplication question

  1. Nov 14, 2008 #1
    i am given two matrices 4X4

    which i need to multiply by one another

    but in my calculator i can multiply matrices only 3X3

    how can i use this maximum 3X3 matrices multiplication
    in order to calculate the multiplication of two 4X4 matrices
    ??
    (i know how to multiply matrices in theory but i want to shorten the process)

    my calculator inputs matrices till m<=3 n<=3

    i cant multiply 4X4 matrices one by one another
    with the help of my calculator.

    is there any mathematical methods of solving this without doing the formal way?

    using smaller multiplications which could be done in my calculator
     
  2. jcsd
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