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Thread: notation

  1. Nov 21st 2010, 03:32 AM #1
    alexandrabel90
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    notation

    hi,
    may i know what is the difference notation wise when i say

    a sequence x_n or <x_n> or {x_n}?
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  2. Nov 21st 2010, 03:44 AM #2
    FernandoRevilla
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    There is no difference. The important thing is that a sequence (for example on \mathbb{R}) is a map:

    f:\mathbb{N}\rightarrow{\mathbb{R}}

    and we denote wifhout distinction f by x_n,\;<x_n> or \{x_n\} ( x_n:=f(n) ) .

    Regards.

    Fernando Revilla
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