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Re: [Discuss-gnuradio] Question: gr_single_pole_iir_filter_cc

From: George Nychis
Subject: Re: [Discuss-gnuradio] Question: gr_single_pole_iir_filter_cc
Date: Mon, 10 Mar 2008 02:25:03 -0400
User-agent: Thunderbird (X11/20071008)

I would just like to ask what this line means. This has been taken from the doxygen generated documentation for gr_single_pole_iir_filter_cc:

\[ H(z) = \frac{alpha}{1 - (1-alpha) z^{-1}} \]

Is it alpha /(1-(1-alpha)*z^-1)? Or is it 1/(alpha(1-(1-alpha)*z^-1))?

It's latex style formatted math. \frac{X}{Y} = X/Y

- George

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