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Math Help - A question regarding IIR digital filters and how to differentiate the equation

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    A question regarding IIR digital filters and how to differentiate the equation

    First of all sorry if this is the wrong forum, but I have this question to ask and was wondering if anybody could help me with it. I know what g and D are but its calculating the first 11 impulses which I can not do. Thanks in advance.
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  2. #2
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    Quote Originally Posted by SanMiguel View Post
    First of all sorry if this is the wrong forum, but I have this question to ask and was wondering if anybody could help me with it. I know what g and D are but its calculating the first 11 impulses which I can not do. Thanks in advance.
    Set:

    y_{-1}=0,\ y_0=0

    and:

    x_i=\begin{cases} 1&,i=0\\0&, \text{otherwise}\end{cases}

    Now use the recursion relation to compute y_i,\ i=1, 2, ..., 10

    (you only need i=1,..,10 as you already have $$ y_0)

    CB
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