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What is the meaning of

  1. Feb 2, 2010 #1

    f means density function what are Y and y
  2. jcsd
  3. Feb 2, 2010 #2
    It's probably the partial derivative of f with respect to Y at y.
  4. Feb 2, 2010 #3


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    Or, in some cases, the capital Y can represent the restriction of the domain of f to Y.
  5. Feb 2, 2010 #4
    with respect to probability(its not what you said)
  6. Feb 2, 2010 #5


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    [itex]f_Y[/itex] is the given density function of random variable Y and [itex]f_Y(y)[/itex] is its value for some specific value y.
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