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how to return a piece of a numpy array in python

Ashamed Aardvark answered on March 5, 2023 Popularity 1/10 Helpfulness 1/10

answer how to return a piece of a numpy array in python

how to return a piece of a numpy array in python

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# Below are a quick examples

# Example 1: Create numpy arrays
arr = np.array([3, 5, 7, 9, 11, 15, 18, 22])

# Example 2: Use slicing a 1D arrays
arr2 = arr[1:6]

# Example 3: Slice Starting from 3rd value to end
arr2 = arr[3:]

# Example 4: Slice 0 to 4 index
arr2 = arr[:5]

# Example 5: Use negative slicing
arr2 = arr[-4:-2]

# Example 6: Use step value
arr2 = arr[::3]

# Example 7: Use slicing with interval
arr2 = arr[3::4]

# Example 8: Use slicing a 2D arrays
arr = np.array([[3, 5, 7, 9, 11],
               [2, 4, 6, 8, 10]])
arr2 = arr[1:,1:3]

# Example 9: Slicing 3-D arrays
arr = np.array([[[3, 5, 7, 9, 11],
                 [2, 4, 6, 8, 10]],
                [[5, 7, 8, 9, 2],
                 [7, 2, 3, 6, 7]]])
arr2 = arr[0,1,0:2]

Popularity 1/10 Helpfulness 1/10 Language python

Source: sparkbyexamples.com

Tags: numpy python return

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