Polynomial division by convolution -- up to finite terms by Feng Cheng Chang

Division of two polynomials by convolution to get up to K terms. (convolution matrix, longhand division, polynomial division)

polydiv_Z(b,a,K,c)

Polynomial division by convolution - quotient and reminder by Feng Cheng Chang

Division of two polynomials to get quotient and reminder using convolution matrix. (polynomial division, longhand division, linear algebra)

polydiv_H(b,a,c)

Polynomial coefficient vector derived from sub-polynomial factors by Feng Cheng Chang

A polynomial coefficient vector is derived from several powered polynomial factors. (linear algebra, polynomial roots, polynomial division)

polyget(A)