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wickey1994

  • 2 years ago

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]

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  1. amistre64
    • 2 years ago
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    \[A_{rc}\]

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

  3. wickey1994
    • 2 years ago
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    so it would be 11x8 ?

  4. nickymarden
    • 2 years ago
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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...

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

  6. wickey1994
    • 2 years ago
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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

  7. amistre64
    • 2 years ago
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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

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