2.4 tridag


hml
05-29-2009, 06:52 AM
I have a tridiagonal matrix without diagonal dominance,
in particular |bj| = |aj|+|cj|
for 0<j<n-1

Would tridag still work?
Do these matrices have a special name?
Do they have special properties?

regards,

hml
05-29-2009, 08:45 AM
in particular, I am looking to calculate its inverse.