Question: Your lab partner, Chad, wants to use MATLAB's butter function to find the digital filter coefficients for his IR sensor. He wants to find the

Your lab partner, Chad, wants to use MATLAB's "butter" function to find the digital filter coefficients for his IR sensor. He wants to find the coefficients for a 3rd order filter with a cutoff frequency of 20 Hz, and he is sampling the data at 250 Hz. How should Chad input the butter function to yield the correct coefficients

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