Module 8: Linear Multistep Methods
  Lecture 27: Consistency and Zero-Stability of Linear Multistep Methods
 

 

Some Definitions

Definition: A method defined by (8.1) is said to be consistent if

and .

Definition: A method defined by (8.1) is said to be zero-stable if the modulus of no root of the associated polynomial exceeds 1, and that the roots of modulus 1 be simple.