windows python+numpy installation practical tutorial

Such as the title, today go round and round to find a lot of website posts, a link to break, finally installed a lot of time.

I hope this post can help those in need and teach you how to do python+numpy for one post, saving time for scientific research.

The level is limited, it is hard to avoid the existence of deficiencies, please correct.

* * * * * * * * * * * * * * * * * * * python installed * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

step1: Download the installation package from the official website;

https://www.python.org/

I downloaded python- 3.4.4.4.ES19en

step2:python environment variable configuration;

Computer - Properties - High-level System Settings - Environment variables - System variables

Find PATH, click Edit, add English semicolon; Add python.exe to the semicolon and click OK

step3: python installation verification

W+R Run cmd, open the terminal, type

python 

Display version information to indicate successful installation;

* * * * * * * * * * pip installation (such as python version bring pip can skip, cmd input pip to view) * * * * * * * * * * * * * * * * * *

step4: After entering cmd, installation of pip only requires 1 command line:

python -m pip install -U pip 

No need to install ES58en-ES59en first.

step5:1 Add the path of ES63en.exe to PATH according to THE method of step2. pip file 1 is generally in script directory of python installation package, otherwise it will report that pip is not an internal command cloud.

For example, the variable I added is

;D:\Python34\Scripts; 

* * * * * * * * * * * * * * * * * * * numpy installed * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

step6: Download the corresponding version of numpy installation package, whl file

In site https: / / pypi. python. org pypi/numpy with corresponding whl python version, see table pyversion1 bar, check version, otherwise an error does not support platform

step7: installation

With that done, the actual installation of numpy begins, entering cmd and the directory where whl resides. If stored on the D disk, type command line

D:  

Then press Enter to enter the D disk, type the command line cd and enter the folder where whl exists. For example, mine is:

cd D:\Python34\Scripts\ 

Enter the command line again

pip install numpy The file name .whl 

step8: Import numpy to python

Open the python exe

Enter the command line

from numpy import * 

step9: testing

To quote machine Learning Practice tests:

Open the python exe

Enter the command line

random.rand ( 4,4 )  

Will return a 4*4 random number group, because it is a random number generated, the computer generated random Numbers are completely different.

* * * * * * * * * * * * * * * * * * * installed * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

Feel free to install numpy. If the installation is unsuccessful, here are the corresponding solutions

conclusion

Above is the full content of this article on windows python+numpy installation practical tutorial, I hope to help you. Those who are interested can continue to see this site:

Python numpy generates matrix, series matrix code sharing

Python was programmed to add a column method example to the numpy matrix

Some sorting methods of numpy array are discussed

If there is any deficiency, please let me know. Thank you for your support!