NumPy - Array Operations
Which of the following is the correct syntax to add 5 to every element of a numpy array
arr in-place?Which of the following is the correct syntax to add 5 to every element of a numpy array arr in-place?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify in-place addition syntax
The operator+=modifies the array in-place by adding a value.Step 2: Compare options
arr = arr + 5 creates a new array, options C and D are invalid numpy syntax for in-place add.Final Answer:
arr += 5 -> Option AQuick Check:
Use += for in-place addition [OK]
Quick Trick: Use += to add in-place, not = arr + value [OK]
Common Mistakes:
- Using = arr + 5 which creates a new array
- Trying arr.add(5) which is not a numpy method
- Assigning arr = arr.add(5) which causes error
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