sparse continuation solver hysys

[marchese85]

Hi!!!!!
i have realized a dynamic simulation in hysys that involved the presence of a three column distillation!!
The solving method is SPARSE CONTINUATION SOLVER!!!!!!
i would know the basic theory of this method !!!!!!
Can someone know a link that describe this solving method?'
Best Regards
P.s. sorry for my english

[mobek]

Try to Google this phrase "sparse continuation problem" and read.