On Tue, 25 Sep 2018 at 21:14, Ralf Gommers wrote:
>
>
> On Tue, Sep 25, 2018 at 5:35 PM Marten van Kerkwijk <
> m.h.vankerkw...@gmail.com> wrote:
>
>> Hi Chuck,
>>
>> Over at astropy we have a bot that sends a warning to PRs that have not
>> received any commits for 5 months [1] and closes them i
On 29 May 2018 at 05:40, Stephan Hoyer wrote:
> But given that idiomatic NumPy code uses 1D arrays in favor of explicit
> row/column vectors with shapes (1,n) and (n,1), I do think it does make
> sense for matrix transpose on 1D arrays to be the identity, because matrix
> transpose should convert
On 10 November 2017 at 23:03, Robert McLeod wrote:
> E.g. in `requirements.txt`:
>
> numpy;python_version>"3.0"
> numpylts; python_version<"3.0"
>
> In both cases you still call `import numpy` in the code.
>
For this to be efficient, it should be done soon enough to allow downstream
projects
On 21 October 2017 at 22:32, Eric Wieser
wrote:
> David, that doesn’t work, because np.cumsum(mask)[mask] is always equal
> to np.arange(mask.sum()) + 1. Robert’s answer is correct.
>
Of course, you are right. It makes sense in my head now.
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NumPy-Di
On 21 October 2017 at 21:03, Robert Kern wrote:
> Index with a boolean mask.
>
> mask = (tmp_px > 2)
> px = tmp_px[mask]
> py = tmp_py[mask]
> # ... etc.
>
>
That isn't equivalent, note that j only increases when tmp_px > 2. I think
you can do it with something like:
mask = tmp_px > 2
j_values =
On 8 July 2017 at 13:03, Jaime Fernández del Río
wrote:
> The last index is exclusive:
> [a:b] means a <= index < b.
>
And the consequence is that the length of your array is b - a, so [:3]
gives you the first 3 values.
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On 24 March 2017 at 12:30, Neal Becker wrote:
> Using os.environ doesn't
> work. I don't understand why.
It should, I do that for other variables. Are you setting the
variables before importing other libraries? They may only get read at
import time.
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