MHB Functions of a Discrete Random Variable

Thread starter Usagi
Start date Jun 26, 2012
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Discrete Functions Random Random variable Variable

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The discussion focuses on the functions of a discrete random variable, specifically addressing the probability mass function where p_Y(y) equals zero for certain values. A technical issue was noted regarding image visibility, prompting a re-upload to a different hosting site for better accessibility. Users are encouraged to report any further issues with viewing the image. The conversation emphasizes the importance of clear communication and accessibility in sharing mathematical concepts. Overall, the thread highlights both the mathematical definitions and the technical challenges faced by users.

Jun 26, 2012

Usagi

EDIT: Oh and I forgot that $p_Y(y) = 0$ otherwise.

Last edited by a moderator: Jun 26, 2012

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Jun 26, 2012

Jameson

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MHB

There was a problem for some users not being able to see the image which was hosted on imageshack.com so I reuploaded it onto tinypic.com and changed the link accordingly. If anyone has an issue seeing the image please let me know ASAP.

Jameson

Thread 'Erroneously finding discrepancy in transpose rule'

Obviously, there is something elementary I am missing here. To form the transpose of a matrix, one exchanges rows and columns, so the transpose of a scalar, considered as (or isomorphic to) a one-entry matrix, should stay the same, including if the scalar is a complex number. On the other hand, in the isomorphism between the complex plane and the real plane, a complex number a+bi corresponds to a matrix in the real plane; taking the transpose we get which then corresponds to a-bi...

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