[SciPy-user] (newbie) IIR, is there a MatLab "filter" equivalent ?
oliphant at ee.byu.edu
Sat Dec 23 01:19:42 CST 2006
Stef Mientki wrote:
> But I couldn't find the equivalent of the MatLab "filter" function: y =
> The filter function is implemented as a direct form II transposed
> y(n) = b(1)*x(n) + b(2)*x(n-1) + ... + b(nb+1)*x(n-nb)
> - a(2)*y(n-1) - ... - a(na+1)*y(n-na)
scipy.signal.lfilter (l for linear in front of the filter).
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