fmaxl - Linux


fmaxl calculates the maximum error between the inband frequency response of a complex filter and a linear phase filter. The complex filter is assumed to be designed using the firl command in MATLAB. The frequency response of the filter is computed using the freqz command, and the maximum error is computed using the max command.



Required Arguments:

  • filter_coeffs: The filter coefficients of the complex filter. The filter coefficients should be in the format returned by the firl command.




Simple Usage:

fmaxl([0.1, 0.2, 0.3, 0.4])

Complex Usage:

fmaxl(firl(100, [0.1, 0.2, 0.3, 0.4]))

Common Issues



Integration with Other Commands:

  • firl: The output of the firl command can be used as input to the fmaxl command.
  • freqz: The freqz command can be used to compute the frequency response of the filter.
  • max: The max command can be used to compute the maximum error.

Examples of Command Chains:

firl(100, [0.1, 0.2, 0.3, 0.4]) | freqz | fmax

firl(100, [0.1, 0.2, 0.3, 0.4]) | fmaxl

Related Commands

  • firls: Designs linear phase FIR filters.
  • freqz: Computes the frequency response of a filter.
  • max: Computes the maximum value of a vector.
  • MATLAB documentation for fmaxl