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Math Help - Graphing infinite series

  1. #1
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    Graphing infinite series

    Is it possible to use your graphing calculator to graph an infinite series, say fourier series:

    infinite series of 2^n*cos(nx)/n!

    I know you can use Euler's Formula to find the equivalent of this as a function f(x), but is there some way to just graph this series using a TI-84?
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  2. #2
    Member Haven's Avatar
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    As far as I know no. Ti-84 doesn't "understand" infinity. So by telling it to graph a Power Series, it would make no sense

    The best thing is to either find what function it represents, or use a computer algebra system like Matlab or Maple. Those programs take "infinity" to mean very big. So you can type infinity and Matlab or Maple can make sense of it.
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