numpy (matrix solver) - python vs. matlab
someone
newsboost at gmail.com
Tue May 1 14:52:49 EDT 2012
On 04/30/2012 03:35 AM, Nasser M. Abbasi wrote:
> On 04/29/2012 07:59 PM, someone wrote:
> I do not use python much myself, but a quick google showed that pyhton
> scipy has API for linalg, so use, which is from the documentation, the
> following code example
>
> X = scipy.linalg.solve(A, B)
>
> But you still need to check the cond(). If it is too large, not good.
> How large and all that, depends on the problem itself. But the rule of
> thumb, the lower the better. Less than 100 can be good in general, but I
> really can't give you a fixed number to use, as I am not an expert in
> this subjects, others who know more about it might have better
> recommendations.
Ok, that's a number...
Anyone wants to participate and do I hear something better than "less
than 100 can be good in general" ?
If I don't hear anything better, the limit is now 100...
What's the limit in matlab (on the condition number of the matrices), by
the way, before it comes up with a warning ???
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