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Math Help - large derivative

  1. #1
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    large derivative

    Can someone give the derivative of the equation below.

    Thanks in advance,
    Joram
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  2. #2
    Forum Admin topsquark's Avatar
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    The trouble I am having with this is that your derivative isn't picking out a specific value of "i."

    -Dan
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  3. #3
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    Thanks...

    Yes the derivative when i=k is easily obtained. However I need the complete system of solutions. I forgot to mention though that the derivative needs to be zero. To be precise the vector of derivatives need to equal a empty vector, see below.

    Joram
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    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Patek View Post
    Yes the derivative when i=k is easily obtained. However I need the complete system of solutions. I forgot to mention though that the derivative needs to be zero. To be precise the vector of derivatives need to equal a empty vector, see below.

    Joram
    If I'm understanding you correctly then what you need to do is take the derivative for i = k, where k is at the moment undefined. Then your vector components will be in terms of the index k as k runs from 1 to m.

    -Dan
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  5. #5
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    Thanks...

    Thanks, your hint helped me solve it.
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