[Numpy-discussion] Question on LinAlg Inverse Algorithm

Robert Kern robert.kern@gmail....
Tue Aug 30 17:54:43 CDT 2011

On Tue, Aug 30, 2011 at 17:48, Mark Janikas <mjanikas@esri.com> wrote:
> Hello All,
> Last week I posted a question involving the identification of linear
> dependent columns of a matrix… but now I am finding an interesting result
> based on the linalg.inv() function… sometime I am able to invert a matrix
> that has linear dependent columns and other times I get the LinAlgError()…
> this suggests that there is some kind of random component to the INV
> method.  Is this normal?  Thanks much ahead of time,

With exactly the same input in the same process? Can you provide that input?

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco

More information about the NumPy-Discussion mailing list