Re: [Numpy-discussion] A numpy accumulator...

2009-10-05 Thread Francesc Alted
A Saturday 03 October 2009 10:06:12 Christopher Barker escrigué: OK -- this one I'm intending to send! Hi all, This idea was inspired by a discussion at the SciPy conference, in which we spent a LOT of time during the numpy tutorial talking about how to accumulate values in an array when

Re: [Numpy-discussion] A numpy accumulator...

2009-10-05 Thread Christopher Barker
Francesc Alted wrote: A Saturday 03 October 2009 10:06:12 Christopher Barker escrigué: This idea was inspired by a discussion at the SciPy conference, in which we spent a LOT of time during the numpy tutorial talking about how to accumulate values in an array when you don't know how big the

Re: [Numpy-discussion] A numpy accumulator...

2009-10-05 Thread Tom K.
Christopher Barker wrote: What do folks think? is this useful? What would you change, etc? Chris - I really like this and find it useful. I would change the name to something like growable or ArrayList - accumulator seems like an object for cumulative summation. I think the right

Re: [Numpy-discussion] A numpy accumulator...

2009-10-05 Thread Christopher Barker
Tom K. wrote: Chris - I really like this and find it useful. I would change the name to something like growable or ArrayList hmm. I think I like growable or maybe growarray. I think the right amount to grow is 2x - I think that may be too much.. one if the key advantages of this over

[Numpy-discussion] A numpy accumulator...

2009-10-03 Thread Christopher Barker
Hasi all, This idea was inspired by a discussion at SciPY, in which we spent a LOT of time during the numpy tutorial talking about how to accumulate values in an array when you don't know how big the array needs to be when you start. The standard practice is to accumulate in a python list,

Re: [Numpy-discussion] A numpy accumulator...

2009-10-03 Thread Robert Kern
On Sat, Oct 3, 2009 at 02:26, Christopher Barker chris.bar...@noaa.gov wrote: The implementation I have now uses a regular numpy array as the buffer. The buffer is re-sized as needed with ndarray.resize(). I've enclosed the class, a bunch of tests (This is the first time I've ever really done

[Numpy-discussion] A numpy accumulator...

2009-10-03 Thread Christopher Barker
(I clicked send too early the last time -- sorry about that!) Hi all, This idea was inspired by a discussion at the SciPy conference, in which we spent a LOT of time during the numpy tutorial talking about how to accumulate values in an array when you don't know how big the array needs to be

[Numpy-discussion] A numpy accumulator...

2009-10-03 Thread Christopher Barker
OK -- this one I'm intending to send! Hi all, This idea was inspired by a discussion at the SciPy conference, in which we spent a LOT of time during the numpy tutorial talking about how to accumulate values in an array when you don't know how big the array needs to be when you start. The

Re: [Numpy-discussion] A numpy accumulator...

2009-10-03 Thread Dag Sverre Seljebotn
Christopher Barker wrote: OK -- this one I'm intending to send! Hi all, This idea was inspired by a discussion at the SciPy conference, in which we spent a LOT of time during the numpy tutorial talking about how to accumulate values in an array when you don't know how big the array needs

Re: [Numpy-discussion] A numpy accumulator...

2009-10-03 Thread Gökhan Sever
On Sat, Oct 3, 2009 at 2:26 AM, Christopher Barker chris.bar...@noaa.govwrote: Hasi all, This idea was inspired by a discussion at SciPY, in which we spent a LOT of time during the numpy tutorial talking about how to accumulate values in an array when you don't know how big the array needs