Top
Back: matrixsystem
Forward: fouriersystem
FastBack: findifs_lib
FastForward: gitfan_lib
Up: finitediff_lib
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

D.15.5.16 timestep

Procedure from library finitediff.lib (see finitediff_lib).

Usage:
timestep(M); M a square matrix with polynomials over the basering as entries;

Return:
type list; gives two matrices M1,M2 that are the splitting of M with respect to the degree of the variable t in the entries, where the first list-entry M1 consists of the polynomials of the highest timelevel and M2 of the lower levels in the form: M=0 => M1=M2, i.e. M1-M2=M

Note:
intended to be used for the finite-difference-scheme-construction and partition into the several time steps

Example:
 


Top Back: matrixsystem Forward: fouriersystem FastBack: findifs_lib FastForward: gitfan_lib Up: finitediff_lib Top: Singular Manual Contents: Table of Contents Index: Index About: About this document
            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.