numpy-wheels | Data Manipulation library

 by   MacPython Shell Version: Current License: Non-SPDX

kandi X-RAY | numpy-wheels Summary

kandi X-RAY | numpy-wheels Summary

numpy-wheels is a Shell library typically used in Utilities, Data Manipulation, Numpy applications. numpy-wheels has no bugs, it has no vulnerabilities and it has low support. However numpy-wheels has a Non-SPDX License. You can download it from GitHub.

numpy-wheels
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              numpy-wheels has a low active ecosystem.
              It has 14 star(s) with 19 fork(s). There are 13 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 25 have been closed. On average issues are closed in 58 days. There are 1 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of numpy-wheels is current.

            kandi-Quality Quality

              numpy-wheels has 0 bugs and 0 code smells.

            kandi-Security Security

              numpy-wheels has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              numpy-wheels code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              numpy-wheels has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              numpy-wheels releases are not available. You will need to build from source code and install.
              It has 30 lines of code, 2 functions and 1 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            numpy-wheels Key Features

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            numpy-wheels Examples and Code Snippets

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            Community Discussions

            QUESTION

            Python Optimization: How to speed up matrix inverse operation?
            Asked 2019-Jan-30 at 15:55

            My code contains a for loop with large number of iterations. Within the loop I need to so matrix multiplication and matrix inverse (normally a matrix of size 12 x 12). My loop needs to run 120,000 times and I am currently getting a speed of 14s, which is relatively very high compared to MATLAB (1s) and FORTRAN (0.4s). Below is the function I am trying to optimize:

            ...

            ANSWER

            Answered 2019-Jan-30 at 15:55

            There are two steps I usually take before trying to speed up numpy code.

            1. Profile the code to find what is taking the most time
            2. Build a couple of test cases calling the code to verify that the optimized version still runs correctly

            The test cases should be something simple and quick running, but still reflective of real data. You've provided profiling, but no test cases so what follows is going to be some untested guess work. Looking over the test cases with largest running time it's clear that the running time comes from the loop, and mostly matrix operations in it.

            119881 0.049 0.000 0.049 0.000 {method 'reshape' of 'numpy.ndarray' objects} 239763 0.058 0.000 0.058 0.000 {built-in method numpy.core.multiarray.array} 119881 0.103 0.000 0.103 0.000 {method 'diagonal' of 'numpy.ndarray' objects} 239762 0.049 0.000 0.107 0.000 ...\core\numeric.py:504(asanyarray) 119881 0.083 0.000 0.256 0.000 ...\core\fromnumeric.py:1294(diagonal) 119881 0.105 0.000 0.439 0.000 ...\lib\twodim_base.py:197(diag) 839163 0.556 0.000 0.556 0.000 {built-in method numpy.core.multiarray.matmul}

            First oddity is that np.linalg.inv(smx) doesn't show up in the slow operations. I think you misunderstood a commenters advice and moved it out of the main loop entirely. It should still be in main loop, but only called a single time.

            Source https://stackoverflow.com/questions/54443050

            QUESTION

            Python SciPy giving error with pip install scipy
            Asked 2017-Oct-17 at 17:31
            C:\PY27\Scripts>pip install --no-cache-dir scipy
            Collecting scipy
            c:\py27\lib\site-   
            packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:318: 
            SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name 
            Indication) extension to TLS is not available on this platform. This may 
            cause the server to present an incorrect TLS certificate, which can cause 
            validation failures. You can upgrade to a newer version of Python to solve 
            this. For more information, see 
            https://urllib3.readthedocs.io/en/latest/security.html#snimissingwarning.
            
            SNIMissingWarning
            c:\py27\lib\site-  
            packages\pip\_vendor\requests\packages\urllib3\util\ssl_.py:122: 
            InsecurePlatformWarning: A true SSLContext object is not available. This 
            prevents urllib3 from configuring SSL appropriately and may cause certain 
            SSL connections to fail. You can upgrade to a newer version of Python to 
            solve this. For more information, see 
            
               https://urllib3.readthedocs.io/en/latest/security.html#insecureplatformwarning.
            
            InsecurePlatformWarning
            Downloading scipy-0.18.1.tar.gz (13.1MB)
            100% |################################| 13.1MB 239kB/s
            Installing collected packages: scipy
            Running setup.py install for scipy ... error
            Complete output from command c:\py27\python.exe -u -c "import setuptools, 
            tokenize;__file__='c:\\users\\puneet~1\\appdata\\local\\temp\\pip-build-
            qvvewa\\scipy\\setup.py';f=getattr(tokenize, 'open', open)
            (__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, 
            __file__, 'exec'))" install --record 
            c:\users\puneet~1\appdata\local\temp\pip-icoko3-record\install-record.txt --
            single-version-externally-managed --compile:
            
            Note: if you need reliable uninstall behavior, then install
            with pip instead of using `setup.py install`:
            
              - `pip install .`       (from a git repo or downloaded source
                                       release)
              - `pip install scipy`   (last SciPy release on PyPI)
            
            
            lapack_opt_info:
            lapack_mkl_info:
              libraries mkl_rt not found in ['c:\\py27\\lib', 'C:\\', 'c:\\py27\\libs']
              NOT AVAILABLE
            
            openblas_lapack_info:
              libraries openblas not found in ['c:\\py27\\lib', 'C:\\', 'c:\\py27\\libs']
              NOT AVAILABLE
            
            atlas_3_10_threads_info:
            Setting PTATLAS=ATLAS
            c:\py27\lib\site-packages\numpy\distutils\system_info.py:1051: UserWarning: 
            Specified path C:\projects\numpy-wheels\windows-wheel-builder\atlas-
            builds\atlas-3.11.38-sse2-64\lib is invalid.
              pre_dirs = system_info.get_paths(self, section, key)
            
              NOT AVAILABLE
            
            atlas_3_10_info:
            
              NOT AVAILABLE
            
            atlas_threads_info:
            Setting PTATLAS=ATLAS
            
              NOT AVAILABLE
            
            atlas_info:
            
              NOT AVAILABLE
            
            c:\py27\lib\site-packages\numpy\distutils\system_info.py:572: UserWarning:
                Atlas (http://math-atlas.sourceforge.net/) libraries not found.
                Directories to search for the libraries can be specified in the
                numpy/distutils/site.cfg file (section [atlas]) or by setting
                the ATLAS environment variable.
              self.calc_info()
            lapack_info:
              libraries lapack not found in ['c:\\py27\\lib', 'C:\\', 'c:\\py27\\libs']
              NOT AVAILABLE
            
            c:\py27\lib\site-packages\numpy\distutils\system_info.py:572: UserWarning:
                Lapack (http://www.netlib.org/lapack/) libraries not found.
                Directories to search for the libraries can be specified in the
                numpy/distutils/site.cfg file (section [lapack]) or by setting
                the LAPACK environment variable.
              self.calc_info()
            lapack_src_info:
              NOT AVAILABLE
            
            c:\py27\lib\site-packages\numpy\distutils\system_info.py:572: UserWarning:
                Lapack (http://www.netlib.org/lapack/) sources not found.
                Directories to search for the sources can be specified in the
                numpy/distutils/site.cfg file (section [lapack_src]) or by setting
                the LAPACK_SRC environment variable.
              self.calc_info()
              NOT AVAILABLE
            
            Running from scipy source directory.
            Traceback (most recent call last):
              File "", line 1, in 
              File "c:\users\puneet~1\appdata\local\temp\pip-build-
            qvvewa\scipy\setup.py", line 415, in 
                setup_package()
              File "c:\users\puneet~1\appdata\local\temp\pip-build-
            qvvewa\scipy\setup.py", line 411, in setup_package
                setup(**metadata)
              File "c:\py27\lib\site-packages\numpy\distutils\core.py", line 135, in 
            setup
                config = configuration()
              File "c:\users\puneet~1\appdata\local\temp\pip-build-
            qvvewa\scipy\setup.py", line 335, in configuration
                config.add_subpackage('scipy')
              File "c:\py27\lib\site-packages\numpy\distutils\misc_util.py", line 1001, 
            in add_subpackage
                caller_level = 2)
              File "c:\py27\lib\site-packages\numpy\distutils\misc_util.py", line 970, 
            in get_subpackage
                caller_level = caller_level + 1)
              File "c:\py27\lib\site-packages\numpy\distutils\misc_util.py", line 907, 
            in _get_configuration_from_setup_py
                config = setup_module.configuration(*args)
              File "scipy\setup.py", line 15, in configuration
                config.add_subpackage('linalg')
              File "c:\py27\lib\site-packages\numpy\distutils\misc_util.py", line 1001, 
            in add_subpackage
                caller_level = 2)
              File "c:\py27\lib\site-packages\numpy\distutils\misc_util.py", line 970, 
            in get_subpackage
                caller_level = caller_level + 1)
              File "c:\py27\lib\site-packages\numpy\distutils\misc_util.py", line 907, 
            in _get_configuration_from_setup_py
                config = setup_module.configuration(*args)
              File "scipy\linalg\setup.py", line 20, in configuration
                raise NotFoundError('no lapack/blas resources found')
            numpy.distutils.system_info.NotFoundError: no lapack/blas resources found
            
            ----------------------------------------
            Command "c:\py27\python.exe -u -c "import setuptools,  
            tokenize;__file__='c:\\users\\puneet~1\\appdata\\local\\temp\\pip-build-
            qvvewa\\scipy\\setup.py';f=getattr(tokenize, 'open', open)
            (__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, 
            __file__, 'exec'))" install --record 
            c:\users\puneet~1\appdata\local\temp\pip-icoko3-record\install-record.txt --
            single-version-externally-managed --compile" failed with error code 1 in 
            c:\users\puneet~1\appdata\local\temp\pip-build-qvvewa\scipy\
            
            ...

            ANSWER

            Answered 2017-Feb-15 at 11:13

            You cannot just pip install scipy on Windows. Use Gohlke wheels or Anaconda.

            Source https://stackoverflow.com/questions/42240720

            QUESTION

            Can't install scipy on windows
            Asked 2017-Aug-28 at 16:16

            I am trying to install scipy module in python (on Windows). I am executing the following command in command line: pip install scipy At first it starts installing but then it give the following error:

            ...

            ANSWER

            Answered 2017-Aug-28 at 16:10

            As the error says you are missing some dependencies. Try installing from one of these prebuilt binaries for windows: http://www.lfd.uci.edu/~gohlke/pythonlibs/

            Download the .whl file appropriate for your version of python then run pip install .whl

            Source https://stackoverflow.com/questions/45923128

            QUESTION

            Unable to install SciPy using pip in VIsual Studio 2015 ( Community Edition )
            Asked 2017-Jul-24 at 22:18

            I am using Windows 10 (64-bit) ,python 3.6 with the latest pip version and the latest version on NumPy as well (I installed it using the command pip install numpy). When I tried to install SciPy pip gave me this error :

            ...

            ANSWER

            Answered 2017-Jun-05 at 20:46

            This is a duplicate of many questions. The short answer is: on Windows, use wheels built by Christoph Gohlke, http://www.lfd.uci.edu/~gohlke/pythonlibs/#scipy, or switch over to Anaconda.

            Source https://stackoverflow.com/questions/44372244

            QUESTION

            Scipy not installing in windows machine
            Asked 2017-May-26 at 08:06

            I was trying to install Scipy on Pycharm via Project Interpretor. Then it showed an error saying I should try typing pip install scipy on cmd. I did that and got the following error. It is still showing that it is not installed.

            ...

            ANSWER

            Answered 2017-May-26 at 08:06

            You can try to use an unofficial installer for SciPy.
            Here you can find the link with all unofficial installer, please search and open the scipy link in the list.

            Keep in mind to choose the right version, in this way:

            1. cp = python version (i.e. cp27 = Pythonv2.7)
            2. win_amd64 = x86_64 or win32 = windows 32 bit

            Download it and then install it with the following command

            Source https://stackoverflow.com/questions/44195537

            QUESTION

            Error in installing scipy on Windows 10
            Asked 2017-May-02 at 17:29

            When I attempt to install scipy on Windows 10, it fails

            ...

            ANSWER

            Answered 2017-Apr-27 at 17:01

            I had a similar error when I installed scipy. I have found it much easier to just install it using Anaconda. The installer is here: https://www.continuum.io/downloads

            Caution: it will also install other python libs related to data science such as NumPy, Pandas, SciPy, Matplotlib, and Jupyter. A full list by python version is here: https://docs.continuum.io/anaconda/pkg-docs#python-3-6

            I installed this after having python already installed, and there was no issue.

            Sorry for not answering your question directly, but this will deliver you scipy and many more goodies!

            Source https://stackoverflow.com/questions/43663473

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install numpy-wheels

            You can download it from GitHub.

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