isstable
Determine whether filter is stable
Syntax
Description
returns flag
= isstable(B,A
,"ctf")1
if the filter specified as Cascaded Transfer Functions (CTF) with numerator coefficients B
and denominator coefficients
A
is stable. (since R2024b)
returns flag
= isstable(d
)1
if the digital filter d
is stable. Use
designfilt
to generate d
based on frequency-response
specifications.
Examples
Input Arguments
Output Arguments
More About
Tips
References
[1] Lyons, Richard G. Understanding Digital Signal Processing. Upper Saddle River, NJ: Prentice Hall, 2004.
Extended Capabilities
Version History
Introduced in R2013aSee Also
ctffilt
| designfilt
| digitalFilter
| isallpass
| islinphase
| ismaxphase
| isminphase
| zplane