Title of article :
The errors in calculating the pseudospectral differentiation matrices for eby ev-Gauss-Lobatto points
Author/Authors :
R. Baltensperger، نويسنده , , J. -P. Berrut، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 1999
Abstract :
We discuss here the errors incurred using the standard formula for calculating the pseudospectral differentiation matrices for eby ev-Gauss-Lobatto points. We propose explanations for these errors and suggest more precise methods for calculating the derivatives and their matrices
Keywords :
Spectral methods , C?ebys?ev points , Differentiation matrix , Barycentric formula , Roundoff error
Journal title :
Computers and Mathematics with Applications
Journal title :
Computers and Mathematics with Applications
