A Extract Slice from 3D NumPy Array?
Code Explanation:
● Library Import: numpy is imported as np to handle array operations.
● Create 3D Array: np.random.rand(2, 3, 4) creates a 3D array with shape (2, 3, 4) filled with random float values.
● Extract Slice: arr[0, :, :] selects the first 2D slice (i.e., the first block) from the 3D array.
● Slicing Meaning: 0 selects the first block, : selects all rows, and the second : selects all columns in that block.
● Store Result: The extracted 2D slice is stored in slice_arr.
● Display Output: print(slice_arr) prints the sliced 2D array from the 3D structure.
Program:
import numpy as np
arr = np.random.rand(2, 3, 4)
slice_arr = arr[0, :, :]
print(slice_arr)
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