MATLAB - Numerical Methods
What is the output of
interp1([1 3 5], [2 6 10], 4, 'nearest')?What is the output of interp1([1 3 5], [2 6 10], 4, 'nearest')?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand 'nearest' interpolation
It picks the y-value of the closest x point to 4.Step 2: Find nearest x to 4
Nearest x is 3 (distance 1) and 5 (distance 1), MATLAB picks the smaller index, so 3.Step 3: Return y at x=3
y = 6.Final Answer:
6 -> Option DQuick Check:
Nearest interp at 4 = 6 [OK]
Quick Trick: Nearest picks closest x's y value [OK]
Common Mistakes:
- Averaging values
- Picking farther point
- Confusing with linear method
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