OurBigBook.comSite Source code

Formal derivative in positive characteristic ( $f^{'} (T)$ )

The formal derivative of

f (T) = \sum_{i} a_{i} T^{i}

is

f^{'} (T) = \sum_{i} i a_{i} T^{i - 1}

. In characteristic

p

, the coefficient

i

vanishes exactly when

p

divides

i

.

Table of contents 53 1
- Polynomial with zero formal derivative in characteristic p Formal derivative in positive characteristic 29

 Ancestors (5)

 Incoming links (3)