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Which of the following is the correct syntax to perform element-wise logical AND on two NumPy arrays a and b?

easy📝 Syntax Q3 of 15
NumPy - Array Operations
Which of the following is the correct syntax to perform element-wise logical AND on two NumPy arrays a and b?
Anp.logical_and(a, b)
Ba and b
Ca.logical_and(b)
Dnp.and(a, b)
Step-by-Step Solution
Solution:

  1. Step 1: Recall correct function for logical AND

    The function np.logical_and(a, b) performs element-wise logical AND on arrays.

  2. Step 2: Analyze other options

    a and b is invalid for arrays, a.logical_and(b) is not an array method, np.and does not exist.

  3. Final Answer:

    np.logical_and(a, b) -> Option A

  4. Quick Check:

    Element-wise AND = np.logical_and [OK]
Quick Trick: Use np.logical_and for safe element-wise AND [OK]
Common Mistakes:
  • Using Python 'and' with arrays
  • Trying to use a.logical_and(b)
  • Calling non-existent np.and function

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