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Hello all, There is a lot happening in my life right now and I am spread quite thin among the various projects that I take an interest in. In particular, I am thrilled to publicly announce on this ...
Travis Oliphant
Dec 17, 2012 at 6:07 am
Dec 17, 2012 at 7:07 am -
Suppose I have two positive definite matrices, A and B. Is it possible to use U*D*U^T factorizations of these matrices to obtain a numerically stable result for their difference, A - B ? My ...
Virgil Stokes
Dec 17, 2012 at 1:20 am
Dec 17, 2012 at 1:38 am -
Hi All, Looking at INSTALL.txt with an eye to updating it since we have dropped Python 2.4 -2.5 support, it looks like we could update the nose version also. The first version of nose to support ...
Charles R Harris
Dec 16, 2012 at 10:37 pm
Dec 16, 2012 at 10:37 pm -
Hi, If you go to the issues for 1.7 and click "high priority": https://github.com/numpy/numpy/issues?labels=priority%3A+high&milestone=3&state=open you will see 3 issues as of right now. Two of those ...
Ondřej Čertík
Dec 15, 2012 at 11:52 pm
Dec 17, 2012 at 7:11 am -
As you know from the pull request discussion, big +1 from me too. I'm also of the opinion with David C. and Brad that dropping 2.5 support would be a good thing too, as there's a lot of good stuff in ...
David Warde-Farley
Dec 15, 2012 at 2:22 pm
Dec 15, 2012 at 2:22 pm -
Ralf, Do these licenses allow fully free distribution of binaries? And are those binaries themselves redistributive? I.e. with py2exe and friends? If so, that could be nice. -Chris On Dec 14, 2012, ...
Chris Barker - NOAA Federal
Dec 15, 2012 at 4:07 am
Dec 15, 2012 at 5:31 pm -
Dear numpy users, I think since long I am confused by if a function works as expected or not for masked array. like np.reshape works for masked array, but not np.sum (I mean, I expect np.sum to drop ...
Chao YUE
Dec 14, 2012 at 2:34 pm
Dec 14, 2012 at 2:34 pm -
Dear all, I tried to capture the zero divide error when I divide a masked array by another. It seems that np.seterr is not working for masked array? when I do np.divide on two masked array, it ...
Chao YUE
Dec 14, 2012 at 1:57 pm
Dec 14, 2012 at 2:43 pm -
Hi. I'm trying to build numpy (1.6.2 and master from git) with OpenBLAS on Ubuntu server 11.10. I succeed with this just once and performance boost was really big for me, but unfortunately something ...
Sergey Bartunov
Dec 14, 2012 at 9:17 am
Dec 14, 2012 at 12:04 pm -
Hi all, I have a question for the list sparked by this discussion of a bug in NumPy 1.6.2 and 1.7: http://mail.scipy.org/pipermail/numpy-discussion/2012-December/064682.html and this open issue in ...
Andrew Collette
Dec 14, 2012 at 5:37 am
Dec 14, 2012 at 5:37 am -
+1 from me For what is worth, we are just moving forward from Python 2.2 / Numeric and are going to 2.6 and it has been rather painful because of the several little details of extensions and other ...
Raul Cota
Dec 14, 2012 at 4:14 am
Dec 15, 2012 at 1:35 am -
Hi, Another weird bug sometimes happen in numpy/core/tests/test_iterator.py, it looks like this: ====================================================================== FAIL ...
Ondřej Čertík
Dec 14, 2012 at 2:23 am
Dec 14, 2012 at 6:43 pm -
Hi, I found these recent weird "failures" in Travis, but I can't find any problem with the log and all tests pass. Any ideas what is going on? https://travis-ci.org/numpy/numpy/jobs/3570123 ...
Ondřej Čertík
Dec 14, 2012 at 12:39 am
Dec 14, 2012 at 12:39 am -
Hi all, I'm porting some Fortran code that makes use of a number of BLAS and LAPACK functions, including dbdsqr(). I've found all of the functions I need via ...
Philip Semanchuk
Dec 13, 2012 at 7:26 pm
Dec 13, 2012 at 8:34 pm -
The previous proposal to drop python 2.4 support garnered no opposition. How about dropping support for python 2.5 also? Chuck
Charles R Harris
Dec 13, 2012 at 5:38 pm
Dec 14, 2012 at 2:21 pm -
A big +1 from me --- but I don't have anyone I know using 2.4 anymore.... -Travis NumPy-Discussion mailing list <span class="m_body_email_addr" title="566c15a6d896b10b773f890a961ba02a" ...
Travis Oliphant
Dec 13, 2012 at 4:37 pm
Dec 13, 2012 at 8:17 pm -
For people interested in the www.numpy.org home page: Jon Turner has officially transferred the www.numpy.org domain to NumFOCUS. Thank you, Jon for this donation and for being a care-taker of the ...
Travis Oliphant
Dec 13, 2012 at 4:35 pm
Dec 16, 2012 at 3:47 pm -
Ioannis syntychakis
Dec 12, 2012 at 2:58 pm
Dec 12, 2012 at 2:58 pm -
Hi everyone, Just FYI, IPython just received $1.15 million in funding from the Alfred P. Sloan Foundation to support development over the next 2 years. Fernando talks more about this in his post to ...
Jason Grout
Dec 12, 2012 at 2:51 pm
Dec 12, 2012 at 2:51 pm -
I think it's a misfeature that a floating point is silently accepted as an index. I would prefer a warning for: bins = np.arange (...) for b in bins: ... w[b] = blah when I meant: for ib,b in ...
Neal Becker
Dec 11, 2012 at 4:44 pm
Dec 12, 2012 at 10:29 pm -
'1.6.2' array([1970-01-13 96:00:00, 1970-01-13 120:00:00, 1970-01-13 144:00:00, 1970-01-13 168:00:00, 1970-01-13 192:00:00], dtype=datetime64[ns]) <segfault reported at ...
Josef Pktd
Dec 11, 2012 at 12:39 am
Dec 11, 2012 at 3:29 am -
Dear all, I want to concate 13 mXn arrays into mXnX13 array. np version 1.6.2 I know the correct way to do that like here ...
Chao YUE
Dec 10, 2012 at 10:30 pm
Dec 10, 2012 at 10:30 pm -
I have built and installed numpy on Debian from source successfully as follows. export LAPACK=/usr/lib/lapack/liblapack.so;export ATLAS=/usr/lib/atlas-base/libatlas.so; python setup.py build; python ...
Allan Kamau
Dec 10, 2012 at 10:57 am
Dec 10, 2012 at 1:42 pm -
Related news: https://github.com/blog/1347-issue-attachments Dag Sverre NumPy-Discussion mailing list <span class="m_body_email_addr" title="566c15a6d896b10b773f890a961ba02a" ...
Dag Sverre Seljebotn
Dec 8, 2012 at 1:48 pm
Dec 8, 2012 at 1:48 pm -
For numpy array, we can choose to use either C style or Forran stype. For dataframe in Pandas, is it possible to choose memory layout as in numpy array? NumPy-Discussion mailing list <span ...
Daniel Wu
Dec 8, 2012 at 11:22 am
Dec 8, 2012 at 3:07 pm -
Heh, looks like we did the trac migration about a month too soon... ---------- Forwarded message ---------- From: Damon McDougall <<span class="m_body_email_addr" ...
Nathaniel Smith
Dec 7, 2012 at 9:00 pm
Dec 7, 2012 at 9:21 pm -
Hello, the following code using np.object_ data types works with numpy 1.5.1 but fails with 1.6.2. Is this intended or a regression? Other data types, np.float64 for example, seem to work. In [1] ...
Christoph Gohlke
Dec 7, 2012 at 8:00 am
Dec 13, 2012 at 10:02 pm -
Thanks, that is excellent. Ondrej NumPy-Discussion mailing list <span class="m_body_email_addr" title="566c15a6d896b10b773f890a961ba02a" numpy-discussion@scipy.org</span ...
Ondřej Čertík
Dec 6, 2012 at 5:35 pm
Dec 6, 2012 at 5:35 pm -
setup.py respects environment variables. You can set ATLAS to None and force the setup to use $LAPACK and $BLAS. See also this link ...
Alexander Eberspächer
Dec 6, 2012 at 12:29 pm
Dec 13, 2012 at 6:59 pm -
assuming savetxt does not support it, I modified a bit of code I had to do what I think you need ONLY works for a 1D array and wrapped it into a function that writes in properly formatted columns. I ...
Raul Cota
Dec 6, 2012 at 12:31 am
Dec 6, 2012 at 12:31 am -
Hello List, Is it possible to turn off printing the square brackets in set_print_options? Am I overlooking something? Thanks, Mark NumPy-Discussion mailing list <span class="m_body_email_addr" ...
Mark Bakker
Dec 5, 2012 at 9:42 pm
Dec 8, 2012 at 10:24 am -
Hello List, I want to write a large array to file, and each line can only be 80 characters long. Can I use savetxt to do that? Where would I specify the maximum line length? Or is there a better way ...
Mark Bakker
Dec 5, 2012 at 9:35 pm
Dec 5, 2012 at 9:56 pm -
Thanks! I backported it in: https://github.com/numpy/numpy/pull/2786 Nice, I was not aware of the fact that "pip install ." fixes this problem with setup.py --- I've burned myself with this so many ...
Ondřej Čertík
Dec 4, 2012 at 4:14 pm
Dec 4, 2012 at 11:47 pm -
Hey, Maybe someone has an opinion about this (since in fact it is new behavior, so it is undefined). `np.take` used to not allow 0-d/scalar input but did allow any other dimensions for the indices ...
Sebastian Berg
Dec 4, 2012 at 1:57 pm
Dec 4, 2012 at 2:16 pm -
0
Re: [Numpy-discussion] Apparently Non-deterministic behaviour of complex-array instantiation values
03.12.2012 22:10, Karl Kappler kirjoitti: [clip] The memory is not initialized in any way [*] if you get the array from np.empty(..) or np.ndarray(...). It contains whatever that happens to be at ...Pauli Virtanen
Dec 3, 2012 at 8:20 pm
Dec 3, 2012 at 8:20 pm -
A followup on the previous thread on scalar speed. operations with numpy scalars I can *maybe* understand this [0.5, 1, 0.5, 1] but don't understand this __main__:1: ComplexWarning: Casting complex ...
Josef Pktd
Dec 3, 2012 at 3:14 pm
Dec 3, 2012 at 3:14 pm -
If the problem is the exception construction, then maybe this would work about as well? if (PyObject_HasAttrString(obj, "__array_priority__") { ret = PyObject_GetAttrString(obj, ...
Nathaniel Smith
Dec 3, 2012 at 11:14 am
Dec 3, 2012 at 10:13 pm -
Raul, This is *fantastic work*. While many optimizations were done 6 years ago as people started to convert their code, that kind of report has trailed off in the last few years. I have not seen this ...
Travis Oliphant
Dec 3, 2012 at 3:31 am
Dec 3, 2012 at 3:36 pm -
Hi All, I put in a PR to expose the Euler-Mascheroni constant as 'euler_gamma'. The name is open to discussion. Suggestions for alternatives welcome. Chuck
Charles R Harris
Dec 2, 2012 at 9:07 pm
Dec 2, 2012 at 9:07 pm -
Hi, We noticed that comparing arrays of different shapes with allclose doesn't work anymore in numpy 1.6.2. Is this a feature or a bug ? :) See the output in both 1.6.1 and 1.6.2 at the end of this ...
Martin Raspaud
Nov 30, 2012 at 8:07 am
Dec 2, 2012 at 4:11 pm -
I understand the historical reason for the "Truth value of an array" error, avoiding the pitfalls of: I also understand the issues with logical and/or: However the main point in this thread from 3 ...
Jim Kitchen
Nov 29, 2012 at 4:25 pm
Nov 29, 2012 at 7:19 pm -
Trying to install numpy 1.6.2 on a mac osx 10.7.4 from this .dmg 9323135 numpy-1.6.2-py2.7-python.org-macosx10.3.dmg gives "numpy 1.6.2 can't be installed on this disk. numpy requires python.org ...
Denis
Nov 29, 2012 at 11:52 am
Nov 29, 2012 at 9:55 pm -
I have a file with thousands of lines like this: Signal was returned in 204 microseconds Signal was returned in 184 microseconds Signal was returned in 199 microseconds Signal was returned in 4274 ...
Robert Love
Nov 29, 2012 at 12:20 am
Nov 29, 2012 at 12:20 am -
I have tried to install the 1.6.2 win32 superpack on my Windows 7 Pro (64 bit) system which has ActiveState ActivePython 2.7.2.5 (64 bit) installed. However, I get an error that Python 2.7 is ...
Jim O'Brien
Nov 28, 2012 at 9:15 pm
Nov 28, 2012 at 11:03 pm -
Hi, I try to update values in a single field of numpy record array based on a condition defined in another array. I found that that the result depends on the order in which I apply the boolean ...
Bartosz
Nov 28, 2012 at 12:48 pm
Nov 28, 2012 at 2:37 pm -
I don't quite understand why it is unexpected. A 1-d array is considered a vector, a 0-d array is a scalar. Remember a 0-d array is a scalar, there is no actual broadcasting involved here. (except ...
Sebastian Berg
Nov 27, 2012 at 4:16 pm
Nov 28, 2012 at 5:42 pm -
Hi everyone, I'm currently having issues with installing Numpy 1.6.2 with Python 3.1 and 3.2 using pip in Travis builds - see for example: https://travis-ci.org/astropy/astropy/jobs/3379866 The build ...
Thomas Robitaille
Nov 27, 2012 at 12:27 pm
Nov 27, 2012 at 12:37 pm -
_______________________________________________ NumPy-Discussion mailing list <span class="m_body_email_addr" title="566c15a6d896b10b773f890a961ba02a" numpy-discussion@scipy.org</span ...
Mogus Mochena
Nov 26, 2012 at 2:49 pm
Nov 26, 2012 at 2:49 pm -
Hi, I am trying to extract n columns from an 2D array and then operate on the extracted columns. Below is the code: A is an MxN 2D array. u = A[:,:n] #extract the first n columns from A B = np.dot(u, ...
Tom Bennett
Nov 26, 2012 at 2:24 am
Nov 26, 2012 at 6:07 am -
Hi, https://github.com/numpy/numpy/pull/484 adds an rfftfreq function to numpy.fft. Looks logical to me, but before merging I want to check anyway if no one objects to that. Ralf
Ralf Gommers
Nov 25, 2012 at 7:04 pm
Nov 25, 2012 at 8:06 pm
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