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What does the function np.prod() do when applied to a NumPy array?

easy📝 Conceptual Q11 of 15
NumPy - Aggregation Functions
What does the function np.prod() do when applied to a NumPy array?
AFinds the maximum value in the array
BCalculates the sum of all elements in the array
CCalculates the product of all elements in the array
DSorts the array elements in ascending order
Step-by-Step Solution
Solution:

  1. Step 1: Understand the function purpose

    np.prod() multiplies all elements in the input array together.

  2. Step 2: Compare with other functions

    Unlike sum or max, it returns the total product, not sum or max value.

  3. Final Answer:

    Calculates the product of all elements in the array -> Option C

  4. Quick Check:

    np.prod() = product of elements [OK]
Quick Trick: Remember: prod means multiply all elements [OK]
Common Mistakes:
  • Confusing product with sum
  • Thinking it finds max or min
  • Assuming it sorts the array

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