Construct empty ZERO object |
Construct a ZERO object by loading the object from a file |
Construct a ZERO object with a real zero |
Construct a ZERO object with a complex zero |
Poles are specified by in the LTPDA Toolbox by a frequency, f, and (optionally) a quality factor, Q.
The following example creates an empty zero object
p = zero() ---- zero 1 ---- None: NaN Hz ----------------
The following example creates a new zero object by loading the zero object from disk.
p = zero('zero.mat') p = zero('zero.xml')
The following code fragment creates a real zero at 1Hz:
p = zero(1) ---- zero 1 ---- real zero: 1 Hz ----------------
It is also possible to use a parameter list (PLIST) object
pl = plist('f', 1);
p = zero(pl)
---- zero 1 ----
real zero: 1 Hz
----------------
To create a complex zero, you can specify a quality factor. For example
p = zero(10,4) ---- zero 1 ---- complex zero: 10 Hz, Q=4 [-0.0019894+0.015791i] ----------------
It is also possible to use a parameter list (PLIST) object
pl = plist('f', 10, 'q', 4); zero(pl) ---- zero 1 ---- complex zero: 10 Hz, Q=4 [-0.0019894+0.015791i] ----------------