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Introduction to Data Analysis in Python

book2-D Arrays

What is a two-dimensional array?

In the general case, two-dimensional arrays are called matrices: such mathematical structures that consist of rows and columns. If it will be easier for you, then you can represent the matrix as a table. To create a 2-D array, pass list of lists as the parameter of np.array() function (nested lists must be the same length).


              
12345

            
import numpy as np
# Creating array
arr = np.array([[5.2, 3.0, 4.5], [9.1, 0.1, 0.3]])
# Displaying array
print(arr)
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Select all options with the INcorrect code of creating 2-D arrays.

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Avsnitt 5. Kapitel 5

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book2-D Arrays

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What is a two-dimensional array?

In the general case, two-dimensional arrays are called matrices: such mathematical structures that consist of rows and columns. If it will be easier for you, then you can represent the matrix as a table. To create a 2-D array, pass list of lists as the parameter of np.array() function (nested lists must be the same length).


              
12345

            
import numpy as np
# Creating array
arr = np.array([[5.2, 3.0, 4.5], [9.1, 0.1, 0.3]])
# Displaying array
print(arr)
copy
question mark

Select all options with the INcorrect code of creating 2-D arrays.

Select the correct answer

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 5. Kapitel 5
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