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Math Help - Simple Notation Question

  1. #1
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    Simple Notation Question

    We've been studying series for a while, now, so I'm intimately familiar with the capital sigma sign used to denote the summation of an infinite series.

    In a totally different class, I stumbled upon the capital Pi sign used in a similar manner. It looks like this symbol is used for the multiplication of a series? Is that correct?

    Thanks.
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  2. #2
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    Re: Simple Notation Question

    a series by definition is an infinite sum. the capital pi is used for an infinite (or finite) product. for example:

    \prod_{k=1}^n k = n!
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  3. #3
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    Re: Simple Notation Question

    Sorry about the loose use of the terminology. That's the idea that I was getting at.

    Thanks!
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