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NumPy: Create a 3x3 matrix with values ranging from 2 to 10

NumPy: Array Object Exercise-3 with Solution

Write a NumPy program to create a 3x3 matrix with values ranging from 2 to 10.

Python NumPy: Create a 3x3 matrix with values ranging from 2 to 10

Sample Solution:

Python Code:

# Importing the NumPy library with an alias 'np'
import numpy as np

# Creating a NumPy array 'x' using arange() from 2 to 11 and reshaping it into a 3x3 matrix
x = np.arange(2, 11).reshape(3, 3)

# Printing the resulting 3x3 matrix 'x'
print(x)

Sample Output:

[[ 2  3  4]                                                             
 [ 5  6  7]                                                             
 [ 8  9 10]]

Explanation:

In the above code -

np.arange(2, 11): Creates a one-dimensional NumPy array containing integers from 2 (inclusive) to 11 (exclusive), i.e., [2, 3, 4, 5, 6, 7, 8, 9, 10].

.reshape(3,3): Reshapes the one-dimensional NumPy array into a 3x3 two-dimensional array.

print(x): Prints the 3x3 NumPy array.

Python-Numpy Code Editor:

Previous: Write a NumPy program to convert a list of numeric value into a one-dimensional NumPy array.
Next: Write a NumPy program to create a null vector of size 10 and update sixth value to 11.

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