NumPy - Aggregation Functions
If
arr = np.array([7, 2, 9, 4]), what does np.argmin(arr) return?If arr = np.array([7, 2, 9, 4]), what does np.argmin(arr) return?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the minimum value in the array
The array is [7, 2, 9, 4]. The smallest value is 2.Step 2: Find the index of the minimum value
2 is at index 1.Final Answer:
1 -> Option AQuick Check:
np.argmin(arr) = 1 [OK]
Quick Trick: np.argmin() returns index of smallest value in array [OK]
Common Mistakes:
- Choosing the minimum value instead of its index
- Confusing index positions
- Using np.min() instead of np.argmin()
Master "Aggregation Functions" in NumPy
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