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wickey1994

I have no clue what this means? Given the following matrix, what is the value of a11? [8 11 13] [17 0 6] [4 16 18]

  • one year ago
  • one year ago

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  1. amistre64
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    \[A_{rc}\]

    • one year ago
  2. amistre64
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    r1, c1 is the entry in the first row first column

    • one year ago
  3. wickey1994
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    so it would be 11x8 ?

    • one year ago
  4. nickymarden
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    no, a11 is the number in row1 and column 1. in this case = 8. If it was a12 it would be 11...

    • one year ago
  5. amistre64
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    a11 would be the entry in the 1st row 1st column: 8 is it

    • one year ago
  6. wickey1994
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    Oh, ok i see the way you wrote the first thing made me think you had to multiply them, thank you very much

    • one year ago
  7. amistre64
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    the name of the matrix is a it has r, rows and c, columns a_rc defines which row and which column

    • one year ago
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