No; I don't have anything with a lot of depth. If you look through the W-element section of the Hspice manual, they discuss a bit, but they call it the "C" matrix (not "B"). I believe the Ansoft manuals describe it a bit as well. Anyone else have a good reference? > I haven't heard of this B-matrix before. Do you have any references? Pat ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu