[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


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