![Why do cutoff frequencies of a high-pass digital filter differ from the ones i used to transform it from a low-pass analog filter in MATLAB? - Signal Processing Stack Exchange Why do cutoff frequencies of a high-pass digital filter differ from the ones i used to transform it from a low-pass analog filter in MATLAB? - Signal Processing Stack Exchange](https://i.stack.imgur.com/aLI1b.jpg)
Why do cutoff frequencies of a high-pass digital filter differ from the ones i used to transform it from a low-pass analog filter in MATLAB? - Signal Processing Stack Exchange
IIR digital filter design for low pass filter based on impulse invariance and bilinear transformation methods using butterworth analog filter
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