BUTTER_DENOMINATOR

Calculates the denominator coefficients for the Butterworth filter.

BUTTER_DENOMINATOR (n, wn, fType, isDigital) returns ARRAY

n	An integer value indicating the order of the Butterworth filter.
wn	Array of values indicating the cutoff frequency that can have one or two elements.
fType	A text string. The filter type, can be one of {low, high, pass, stop}.
isDigital	A Boolean value.

The following example illustrates the BUTTER_DENOMINATOR function:

Function	butter_denominator (6, {0.1951, 0.4081}, "pass", 1)
Result	{1.0000, -5.8240, 17.6909, -35.8509, 53.4731, -61.3642, 55.3780,0-39.5185, 22.1585, -9.5439, 3.0209, -0.6376, 0.0708}