function StateSpaceIIR(a: TMtx; b: TVec; c: TVec; d: Double): Boolean;
Returns the currently designed IIR filter in state space form.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | a | TMtx | source TMtx |
| 2 | b | TVec | source TVec |
| 3 | c | TVec | source TVec |
| 4 | d | Double | scalar |
Returns: Boolean
Remarks:
If the current design is not an IIR filter, the function returns false. For this call to return True, the IIRFrequencyTransform must be ftStateSpaceAnalog.