On Mon, Jun 21, 2010 at 1:51 PM, Robert Kern <robert.k...@gmail.com> wrote:
> On Mon, Jun 21, 2010 at 13:44, Benjamin Root <ben.r...@ou.edu> wrote: > > Hello, > > > > I ran into a somewhat counter-intuitive situation that probably should be > > documented somewhere with respect to record (structured?) arrays. I > wanted > > to stack multiple arrays together that had the same names for the > columns. > > Since I was imagining the columns as having the names (as opposed to > rows), > > I figured vstack() would do the job, but it merely created a sequence of > > record arrays. Turns out that I had to use hstack() to get what I > wanted. > > Remember that your structured arrays are simply 1-D vectors of > records. 1-D vectors are primarily treated as row vectors by things > that care about "horizontal" and "vertical" for all dtypes, both > records and "normal" scalars. It just gets a bit confusing because one > often thinks of 1-D arrays of records as being rows and columns. > > Yeah, that's what I ended up realizing after I noticed my output from vstack wasn't what I expected, which made me try out hstack instead. Thanks, Ben Root > -- > 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 > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion >
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