[Numpy-discussion] Appending data to a big ndarray

oc-spam66 oc-spam66@laposte....
Fri Aug 8 17:33:27 CDT 2008


Hello, 

I would like to build a big ndarray by adding rows progressively. 

I considered the following functions : append, concatenate, vstack and the like.
It appears to me that they all create a new array (which requires twice the memory).

Is there a method for just adding a row to a ndarray without duplicating the data ?

Regards,

O.C.

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