Re: [Numpy-discussion] masked_values behaviour

2017-12-18 Thread Jesper Larsen
Thanks for the responses Paul and Marten, I have raised an issue for the issue at: https://github.com/numpy/numpy/issues/10227 Best regards, Jesper 2017-12-16 22:48 GMT+01:00 Marten van Kerkwijk : > Definitely a big! The underlying problem is: > ``` > In [23]: np.abs(np.int16(-32768)) > Out[23

Re: [Numpy-discussion] building numpy with python3.7

2017-12-18 Thread Hannes Breytenbach
OK, thanks for the link to the issue. I'm not using virtual environments - I built python3.7 (and 2.7) with the `make altinstall` method. I managed to get the numpy build working on 3.7 by removing the `random/mtrand/mtrand.c` file so that it gets (re-)generated during the build using the late

[Numpy-discussion] Applying logical operations along an axis of a boolean array?

2017-12-18 Thread hanno_lists
Hi,   is it possible, to apply a logical operation, such as AND or OR along a particular axis of a numpy array?   Let's say I have an (n,m) array and I want to AND along the first axis, such that I get a (1,m) (or just (m,) dimensional array back. I looked at the documentation for np.logical_an

Re: [Numpy-discussion] Applying logical operations along an axis of a boolean array?

2017-12-18 Thread Juan Nunez-Iglesias
Use “np.all” or “np.any”. On 18 Dec 2017, 10:02 PM +1100, hanno_li...@gmx.net, wrote: > Hi, > > is it possible, to apply a logical operation, such as AND or OR along a > particular axis of a numpy array? > > Let's say I have an (n,m) array and I want to AND along the first axis, such > that I ge

Re: [Numpy-discussion] Applying logical operations along an axis of a boolean array?

2017-12-18 Thread Sebastian Berg
On Mon, 2017-12-18 at 12:02 +0100, hanno_li...@gmx.net wrote: > Hi, >   > is it possible, to apply a logical operation, such as AND or OR along > a particular axis of a numpy array? > As mentioned, `np.any` and `np.all` work. However, what is more/also interesting to you is maybe that: `np.logic