Dear Mkalimani;

I'm bot sure if I will be able to offer you a help of any sort, but probably I will,... may be,,,but not sure. The thing is I did these type of **calculuses **way back in 1998 and as you know by now,... EDUCATION IS WHAT IS LEFT AFTER ALL THE DETAILS ARE LOST,.... I have done exactly that by now and the worst is that my current line of work doesn't encourAge me much of going into the details of the mathematics of the sort.

However, on the issue of a UNIQUE solution, are you sure of its existence for such kind of a matrix? Could not may be you wanted to talk about a TRIVIAL soultion? Could you first give a kind of a unique solution (just a solution, without its corresponding problem) as an examplary solution?. UNIQUE, unique, unique,..., in what sense?

Anyway do not bother much about my queries, I have already lost the details, perhaps your question is okay, apart from the few paraphrasing errors I mentioned previously,