Python NumPy Module Cheat Sheet - Versionsgeschichte

Matt: Matt verschob die Seite Python NumPy Module Cheatsheet nach Python NumPy Module Cheat Sheet, ohne dabei eine Weiterleitung anzulegen

2025-06-01T07:19:27Z

Matt verschob die Seite Python NumPy Module Cheatsheet nach Python NumPy Module Cheat Sheet, ohne dabei eine Weiterleitung anzulegen

← Nächstältere Version	Version vom 1. Juni 2025, 09:19 Uhr
(kein Unterschied)

Matt: /* Two-Dimensional Array */

2025-02-28T08:29:26Z

Two-Dimensional Array

← Nächstältere Version		Version vom 28. Februar 2025, 10:29 Uhr
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	[6, 7, 8, 9, 10],		[6, 7, 8, 9, 10],
	[11, 12, 13, 14, 15]])		[11, 12, 13, 14, 15]])
	</syntaxhighlight>~~Needs~~ outer brackets. Each array must have the same number of elements.		</syntaxhighlight>
			The two-dimensional array itself must have outer brackets. Each array must have the same number of elements.

	== Operations on NumPy Arrays ==		== Operations on NumPy Arrays ==

Matt am 28. Februar 2025 um 08:26 Uhr

2025-02-28T08:26:23Z

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	</syntaxhighlight>		</syntaxhighlight>

	== NumPy Array ==		== NumPy Arrays ==

			=== Array Definition ===
	<syntaxhighlight lang="python3">		<syntaxhighlight lang="python3">
	my_list = [92, 94, 88, 91, 87]		my_list = [92, 94, 88, 91, 87]
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	</syntaxhighlight>		</syntaxhighlight>

	== ~~NumPy~~ Array from CSV File ==		=== Array from CSV File ===
	<syntaxhighlight lang="python3">		<syntaxhighlight lang="python3">
	csv_file_name = 'test_2.csv'		csv_file_name = 'test_2.csv'
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	numpy_array_from_csv_file = np.genfromtxt(csv_file_name, delimiter=',')		numpy_array_from_csv_file = np.genfromtxt(csv_file_name, delimiter=',')
	</syntaxhighlight>		</syntaxhighlight>

			=== Two-Dimensional Array ===
			<syntaxhighlight lang="python3">
			two_dim_array = np.array([[1, 2, 3, 4, 5],
			[6, 7, 8, 9, 10],
			[11, 12, 13, 14, 15]])
			</syntaxhighlight>Needs outer brackets. Each array must have the same number of elements.

	== Operations on NumPy Arrays ==		== Operations on NumPy Arrays ==

Matt am 28. Februar 2025 um 07:47 Uhr

2025-02-28T07:47:35Z

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	# returns [1, 2, 9, 16, 25]</syntaxhighlight>		# returns [1, 2, 9, 16, 25]</syntaxhighlight>

	=== Adding Arrays ===		=== Adding Values from Two Arrays ===
	<syntaxhighlight lang="python3">		<syntaxhighlight lang="python3">
	numpy_array1 = np.array([1, 2, 3, 4, 5])		numpy_array1 = np.array([1, 2, 3, 4, 5])

Matt am 28. Februar 2025 um 07:46 Uhr

2025-02-28T07:46:41Z

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	== Operations on NumPy Arrays ==		== Operations on NumPy Arrays ==
	<syntaxhighlight lang="python3">
	numpy_array = np.array([1, 2, 3, 4, 5])		=== Adding or Multiplying ===
			<syntaxhighlight lang="python3">numpy_array = np.array([1, 2, 3, 4, 5])
	print(numpy_array + 1)		print(numpy_array + 1)
	# returns [2, 3, 4, 5, 6]		# returns [2, 3, 4, 5, 6]

	print(numpy_array ** 2)		print(numpy_array ** 2)
	# returns [1, 2, 9, 16, 25]		# returns [1, 2, 9, 16, 25]</syntaxhighlight>

			=== Adding Arrays ===
			<syntaxhighlight lang="python3">
			numpy_array1 = np.array([1, 2, 3, 4, 5])
			numpy_array2 = np.array([6, 7, 8, 9, 10])
			print(numpy_array1 + numpy_array2)
			# returns [7, 9, 11, 13, 15]

	</syntaxhighlight>		</syntaxhighlight>

Matt am 28. Februar 2025 um 07:34 Uhr

2025-02-28T07:34:14Z

← Nächstältere Version		Version vom 28. Februar 2025, 09:34 Uhr
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	== NumPy Module ==		== Import NumPy Module ==
	<syntaxhighlight lang="python3">		<syntaxhighlight lang="python3">
	~~python~~ import numpy as np		import numpy as np
	</syntaxhighlight>		</syntaxhighlight>

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	</syntaxhighlight>		</syntaxhighlight>

	== Variance ==		== Math Functions ==

			=== Variance ===
	<syntaxhighlight lang="python3">import numpy as np		<syntaxhighlight lang="python3">import numpy as np

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	print('The variance of Microsoft stock dividends in 2023 and 2024 is', variance_dividends_microsoft)</syntaxhighlight>		print('The variance of Microsoft stock dividends in 2023 and 2024 is', variance_dividends_microsoft)</syntaxhighlight>

	== Standard Deviation ==		=== Standard Deviation ===
	[[Kategorie:Python]]		[[Kategorie:Python]]

Matt am 28. Februar 2025 um 07:31 Uhr

2025-02-28T07:31:30Z

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	== NumPy Module ==		== NumPy Module ==
			<syntaxhighlight lang="python3">
	~~```~~python		python import numpy as np
	import numpy as np		</syntaxhighlight>
	~~```~~

	== NumPy Array ==		== NumPy Array ==
			<syntaxhighlight lang="python3">
			my_list = [92, 94, 88, 91, 87]
	~~```python~~
	my_list = [92, 94, 88, 91, 87]
	numpy_array_from_list = np.array(my_list)		numpy_array_from_list = np.array(my_list)
	``		</syntaxhighlight>

	== NumPy Array from CSV File ==		== NumPy Array from CSV File ==
			<syntaxhighlight lang="python3">
			csv_file_name = 'test_2.csv'


	~~```python~~
	~~csv_file_name = 'test_2.csv'~~
	numpy_array_from_csv_file = np.genfromtxt(csv_file_name, delimiter=',')		numpy_array_from_csv_file = np.genfromtxt(csv_file_name, delimiter=',')
	``		</syntaxhighlight>

	== Operations on NumPy Arrays ==		== Operations on NumPy Arrays ==
	numpy_array = np.array([1, 2, 3, 4, 5])		<syntaxhighlight lang="python3">
			numpy_array = np.array([1, 2, 3, 4, 5])
	print(numpy_array + 1)		print(numpy_array + 1)
			# returns [2, 3, 4, 5, 6]
	returns [2, 3, 4, 5, 6]

	~~print(numpy_array ** 2)~~

	~~returns [1, 2, 9, 16, 25~~]

			print(numpy_array ** 2)
			# returns [1, 2, 9, 16, 25]
			</syntaxhighlight>

	== Variance ==		== Variance ==

Matt am 28. Februar 2025 um 07:28 Uhr

2025-02-28T07:28:32Z

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			== NumPy Module ==

			```python
			import numpy as np
			```

			== NumPy Array ==


			```python
			my_list = [92, 94, 88, 91, 87]
			numpy_array_from_list = np.array(my_list)
			``

			== NumPy Array from CSV File ==


			```python
			csv_file_name = 'test_2.csv'
			numpy_array_from_csv_file = np.genfromtxt(csv_file_name, delimiter=',')
			``

			== Operations on NumPy Arrays ==
			numpy_array = np.array([1, 2, 3, 4, 5])

			print(numpy_array + 1)

			returns [2, 3, 4, 5, 6]

			print(numpy_array ** 2)

			returns [1, 2, 9, 16, 25]


	== Variance ==		== Variance ==
	<syntaxhighlight lang="python3">import numpy as np		<syntaxhighlight lang="python3">import numpy as np

Matt: Matt verschob die Seite Python Numpy nach Python NumPy Module Cheatsheet, ohne dabei eine Weiterleitung anzulegen

2025-02-28T07:20:56Z

Matt verschob die Seite Python Numpy nach Python NumPy Module Cheatsheet, ohne dabei eine Weiterleitung anzulegen

← Nächstältere Version	Version vom 28. Februar 2025, 09:20 Uhr
(kein Unterschied)

Matt: Die Seite wurde neu angelegt: „== Variance == import numpy as np dividends_microsoft_eur = [0.6358, 0.6308, 0.6364, 0.6854, 0.6876, 0.7016, 0.7016, 0.7906] variance_dividends_microsoft = np.var(dividends_microsoft_eur) print('The variance of Microsoft stock dividends in 2023 and 2024 is', variance_dividends_microsoft) == Standard Deviation == Kategorie:Python“

2025-02-19T08:29:04Z

Die Seite wurde neu angelegt: „== Variance == <syntaxhighlight lang="python3">import numpy as np dividends_microsoft_eur = [0.6358, 0.6308, 0.6364, 0.6854, 0.6876, 0.7016, 0.7016, 0.7906] variance_dividends_microsoft = np.var(dividends_microsoft_eur) print('The variance of Microsoft stock dividends in 2023 and 2024 is', variance_dividends_microsoft)</syntaxhighlight> == Standard Deviation == Kategorie:Python“

Neue Seite

== Variance ==
<syntaxhighlight lang="python3">import numpy as np

dividends_microsoft_eur = [0.6358, 0.6308, 0.6364, 0.6854, 0.6876, 0.7016, 0.7016, 0.7906]
variance_dividends_microsoft = np.var(dividends_microsoft_eur)

print('The variance of Microsoft stock dividends in 2023 and 2024 is', variance_dividends_microsoft)</syntaxhighlight>

== Standard Deviation ==
[[Kategorie:Python]]