User`s guide

28 Signal Processing Toolbox 5.1 Release Notes
28-6
Enhanced Functions
The following functions have been enhanced in the Signal Processing Toolbox
5.1.
Function Enhancement
buffer
Takes all MATLAB data types in addition to
double-precision data
chirp
Allows you to specify the shape (concave or convex) of a
quadratic chirp operation
eqtflength
Returns the numerator and denominator orders in
addition to the numerator and denominator
freqzplot
Optionally accepts string input (e.g., 'mag') in addition to
structure input
lpc
Outputs a vector of prediction error variances in addition
to the linear prediction filter coefficients
medfilt1
Allows you to specify the matrix dimension along which
the filter operates
sgolayfilt
Allows you to specify the matrix dimension along which
the filter operates, and it returns row output for row input.
This is consistent with
filter