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Matrix multiplication in C

  1. Nov 28, 2004 #1
    For a computer program, I have to multiply:
    a[][] * b[]
    and store it in c[]

    how does the math for this work out on paper? What exactly am I multiplying?
  2. jcsd
  3. Nov 28, 2004 #2


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    This is what you're trying to do:

    [tex]c_{i} = \sum_{j = 1}^{N}a_{i, j}b_{j}[/tex]
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