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What happens when you add two numpy arrays of the same shape using the + operator?

easy📝 Conceptual Q1 of 15
NumPy - Array Operations
What happens when you add two numpy arrays of the same shape using the + operator?
AThe arrays are concatenated into a longer array.
BAn error occurs because arrays cannot be added directly.
CThe sum of all elements in both arrays is returned as a single number.
DEach element in the first array is added to the corresponding element in the second array.
Step-by-Step Solution
Solution:
  1. Step 1: Understand element-wise addition in numpy

    Adding two arrays of the same shape adds each element with its counterpart.
  2. Step 2: Confirm behavior of + operator

    The + operator performs element-wise addition, not concatenation or summation of all elements.
  3. Final Answer:

    Each element in the first array is added to the corresponding element in the second array. -> Option D
  4. Quick Check:

    Element-wise addition = Each element added [OK]
Quick Trick: Use + to add arrays element-wise, not concatenate [OK]
Common Mistakes:
  • Thinking + concatenates arrays
  • Expecting a single sum value
  • Assuming error on addition

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