A generating polynomial is a polynomial function that encodes the information of a code, such as Goppa codes or algebraic-geometric codes, by mapping elements from a finite field to their corresponding codewords. This polynomial serves as a fundamental tool in constructing error-correcting codes and is used to define the relationships between the roots of the polynomial and the code's ability to detect and correct errors. The degree of the generating polynomial often relates to the parameters of the code, including its length and error-correcting capability.
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