Posted by mark ibram on October 09, 1997 at 05:27:03:

I have a set of linear tomographic equations forming a large underconstrained overdetrmined sparse system. All solution methods I have deal with sqyuare matrices..

Can anyone help me finding out how to pre-condition my matrices so solve the equations ?

thanks

mark

- Re: linear algebra
**Scott Betts***15:19:44 10/14/97*(0)