Low-Pass Filter Coefficients

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Daniel Navarro
Daniel Navarro on 12 May 2015
How can I write a function that computes low-pass filter coefficients using the rectangular window? Using Thetac as the cutoff frequency in radians and nc as the number of coefficients. So far I have:
function h = lowpassfiltercoefs ( thetac, nc)
, I do not know how to continue.

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