Learn Python NumPy - #2 Indexing
Learn Python NumPy Tutorial series video #2. In this one we'll cover:
Indexing 1D NumPy Arrays
Indexing 2D NumPy Arrays
Slicing multiple variables out from an array
#Python #NumPy #Tutorial
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Code on GitHub:
https://github.com/Derrick-Sherrill/D...
Full code from this video:
import numpy as np
ListA = [0,1,2,3,4,5,6,7,8,9,10]
ListB = [11,12,13,14,15,16,17,18,19,20,21]
A = np.array(ListA, dtype=np.int32)
print(A)
A[start:stop:step]
print(A[::1])
ListC = [ListA,ListB]
AB = np.array(ListC, dtype=np.int32)
print(AB.shape)
print(AB[1,2:4:1])
print(A[np.array([0,0,0,0,1,2,3])])
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Code from this tutorial and all my others can be found on my GitHub:
https://github.com/Derrick-Sherrill/D...
Check out my website:
https://www.derricksherrill.com/
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Useful Links
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Python Download:
https://www.python.org/downloads/
(Remember Python 3 is the future!)
I use Atom Text Editor for all my tutorials
Atom Text Editor:
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Packages I often use in Python tutorials:
-Pandas
https://pandas.pydata.org/pandas-docs...
-Numpy
https://www.numpy.org/
-xlrd
https://xlrd.readthedocs.io/en/latest/
-TensorFlow
https://www.tensorflow.org/api_docs/p...
-Matplotlib
https://matplotlib.org/
-Django Framework
https://www.djangoproject.com/
-Beautiful Soup
https://www.crummy.com/software/Beaut...
(Install through Terminal $pip3 install ....)
Other Useful Services sometimes featured:
-Amazon Web Services (AWS)
https://aws.amazon.com/
-Microsoft Azure
https://azure.microsoft.com/en-us/
-Google Cloud
https://cloud.google.com/
-Juypter Notebooks
https://jupyter.org/
Always looking for suggestions on what video to make next -- leave me a comment with your project! Happy Coding!
