Classical code construction: Algebraic geometry (AG) Code from page 198 of https://doc.sagemath.org/pdf/en/reference/coding/coding.pdf
Sagemath has explicit constructions: sage.coding.codes.EvaluationAGCode and sage.coding.codes.DifferentialAGCode
ECC Zoo Entry: https://errorcorrectionzoo.org/c/ag
Classical code construction: Algebraic geometry (AG) Code from page 198 of https://doc.sagemath.org/pdf/en/reference/coding/coding.pdf
Sagemath has explicit constructions:
sage.coding.codes.EvaluationAGCodeandsage.coding.codes.DifferentialAGCodeECC Zoo Entry: https://errorcorrectionzoo.org/c/ag