filters

• analpf — create analog low-pass filter
• buttmag — Power transmission of a Butterworth filter
• casc — cascade realization of filter from coefficients
• cheb1mag — response of Chebyshev type 1 filter
• cheb2mag — response of type 2 Chebyshev filter
• convol — convolution
• ell1mag — magnitude of elliptic filter
• eqfir — minimax approximation of FIR filter
• eqiir — Design of iir filters
• faurre — filter computation by simple Faurre algorithm
• ffilt — coefficients of FIR low-pass
• filter — filters a data sequence using a digital filter
• find_freq — parameter compatibility for elliptic filter design
• frmag — magnitude of FIR and IIR filters
• fsfirlin — design of FIR, linear phase filters, frequency sampling technique
• group — group delay for digital filter
• iir — iir digital filter
• iirgroup — group delay Lp IIR filter optimization
• iirlp — Lp IIR filter optimization
• kalm — Kalman update
• lev — Yule-Walker equations (Levinson's algorithm)
• levin — Toeplitz system solver by Levinson algorithm (multidimensional)
• lindquist — Lindquist's algorithm
• remez — Remez exchange algorithm for the weighted chebyshev approximation of a continuous function with a sum of cosines.
• remezb — Minimax approximation of magnitude response
• srfaur — square-root algorithm
• srkf — square root Kalman filter
• sskf — steady-state Kalman filter
• syredi — Design of iir filters, syredi code interface
• system — observation update
• trans — low-pass to other filter transform
• wfir — linear-phase FIR filters
• wiener — Wiener estimate
• wigner — 'time-frequency' wigner spectrum
• window — compute symmetric window of various type
• yulewalk — least-square filter design
• zpbutt — Butterworth analog filter
• zpch1 — Chebyshev analog filter
• zpch2 — Chebyshev analog filter
• zpell — lowpass elliptic filter