Last Modified: January 12, 2018
Computes the greatest common divisor (GCD) for two polynomials with the tolerance you specify.
p(x)
Coefficients, in ascending order of power, of the first polynomial.
This input accepts the following data types:

1D array of doubleprecision, floatingpoint numbers

1D array of complex doubleprecision, floatingpoint numbers
q(x)
Coefficients, in ascending order of power, of the second polynomial.
This input accepts the following data types:

1D array of doubleprecision, floatingpoint numbers

1D array of complex doubleprecision, floatingpoint numbers
error in
Error conditions that occur before this node runs.
The node responds to this input according to standard error behavior.
Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.
error in does not contain an error 
error in contains an error 


If no error occurred before the node runs, the node begins execution normally. If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out. 
If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out. 
Default: No error
tolerance
Threshold to use for computing the greatest common divisor (GCD) of the two polynomials.
Default: 1E08
algorithm
Algorithm this node uses to compute the greatest common divisor (GCD) of the polynomials.
Name 
Value 
Description 
Euclidean 
0 
Classical method for calculating the polynomial GCD. 
Approximate GCD 
1 
Method for calculating the GCD of one polynomial and its derivative. 
Default: Euclidean
greatest common divisor
Greatest common divisor of two polynomials.
This output can return the following data types:

1D array of doubleprecision, floatingpoint numbers

1D array of complex doubleprecision, floatingpoint numbers
error out
Error information.
The node produces this output according to standard error behavior.
Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.
error in does not contain an error 
error in contains an error 


If no error occurred before the node runs, the node begins execution normally. If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out. 
If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out. 
Where This Node Can Run:
Desktop OS: Windows
FPGA: Not supported
Web Server: Not supported in VIs that run in a web application
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