Assembling a matrix
Anirban Chatterjee
achatter at cse.psu.edu
Tue Dec 8 16:13:47 CST 2009
Hi Mathew,
This is being done as part of one of my functions and I finally I need
to get the matrix B to proceed.
--Anirban
Matthew Knepley wrote:
> Are you sure you want to assemble it? Unless you factor it, maybe
> maintaining it unassembled is better.
>
> Matt
>
> On Tue, Dec 8, 2009 at 4:05 PM, Anirban Chatterjee
> <achatter at cse.psu.edu <mailto:achatter at cse.psu.edu>> wrote:
>
> Hi,
>
> I have an nxn matrix A, a column vector v and a scalar c. I want
> to assemble a matrix B as follows,
> B = [A v;
> v^T c]
> Can someone tell me the easiest and most efficient way to do this.
>
> --Anirban
>
>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which
> their experiments lead.
> -- Norbert Wiener
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