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reference:ft_preproc_online_filter_init [2018/08/23 14:43] (current)
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 +Note that this reference documentation is identical to the help that is displayed in MATLAB when you type "help ft_preproc_online_filter_init"​.
 +  function FM = ft_preproc_online_filter_init(B,​ A, x)
 +  Initialize an IIR filter model with coefficients B and A, as used in filter and butter etc.
 +  One sample x of the signal must be given as a column vector.
 +  This function will calculate the filter delay states such that the initial response
 +  is as if '​x'​ would have been applied since forever.
 +  See also <a href=/​reference/​ft_preproc_online_filter_apply><​font color=green>​FT_PREPROC_ONLINE_FILTER_APPLY</​font></​a>​