本程序设计了一个有限域类，可以提供GF(P)[P为素数]上的矩阵运算，特别通过欧几里德算法提供了多项式的有限域矩阵逆运算。-This procedure designed a type of finite fields can be GF (P) [P for prime] on matrix calculation, in particular through the Euclidean algorithm provides a finite field polynomial matrix inverse operation.