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Math Help - Matrix operation?

  1. #1
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    Matrix operation?

    I'm not really sure how to approach this equation. Do the square brackets indicate a matrix? H(x) is just a vector of probabilities. What operation would I do first? i.e. would I end up with 1 figure, or a vector the same length as H(x)?

    t = \sqrt{ \ln \lbrack \frac {1}{(H(x))^2} \rbrack }

    Thanks for any help
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  2. #2
    Super Member Anonymous1's Avatar
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    It is a bit ambiguous. I think they mean element-by-element, though, i.e.,

    t= \left[\sqrt{\log{(\frac{1}{x_1^2})}},\sqrt{\log{(\frac{1  }{x_2^2})}},.....,\sqrt{\log{(\frac{1}{x_n^2})}}\r  ight]
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  3. #3
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    Gamma function

    Yes that seems to work... Thank you!
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