[Numpy-discussion] Help with np.where and datetime functions

Robert Kern robert.kern@gmail....
Wed Jul 8 19:33:17 CDT 2009

On Wed, Jul 8, 2009 at 19:11, John [H2O]<washakie@gmail.com> wrote:
> Also, could someone please explain why:
> Tsub = T[ (T[:,0]>t1) & (T[:,0]<t2) ]
> Works, but:
> Tsub = T[ (t1<T[:,0]) & (T[:,0]<t2) ]
> Does not???

I'm not positive, but I think it boils down to this: Python tries to
look up the method from the first operand before the second operand.
TimeSeries know about datetime objects, but datetime objects don't
know about TimeSeries.

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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