FC_Poly4Zeros - General Information
Type: |
Function |
Available as of: |
V1.0.3.0 |
Versions: |
Current version |
Solutions of the 4nd order equation
The solutions are complex numbers which are returned in a structure of type ST_PolynomialZeros.
Input |
Data type |
Description |
---|---|---|
i_lrA |
LREAL |
Factor for X4 |
i_lrB |
LREAL |
Factor for X3 |
i_lrC |
LREAL |
Factor for X2 |
i_lrD |
LREAL |
Factor for X |
i_lrE |
LREAL |
Constant term |
Output |
Data type |
Description |
---|---|---|
q_etDiag |
General library-independent statement on the diagnostic. A value not equal to ET_Diag.Ok corresponds to an diagnostic message. |
|
q_etDiagExt |
POU-specific output on the diagnostic. q_etDiag = ET_Diag.Ok -> Status message q_etDiag <> ET_Diag.Ok -> Diagnostic message |
Data type |
Description |
---|---|
Zeros of the function |
q_etDiag |
q_etDiagExt |
Enumeration value |
Description |
---|---|---|---|
OK |
0 |
Ok |
Enumeration name: |
Ok |
Enumeration value: |
0 |
Description: |
Ok |
The zeros have been calculated successfully.