Which of the following is the correct syntax to interpolate the value at x = 2.5 using vectors x and y in MATLAB?

easy📝 Syntax Q12 of 15

MATLAB - Numerical Methods

Which of the following is the correct syntax to interpolate the value at x = 2.5 using vectors x and y in MATLAB?

Ainterp1(x, y, 2.5)

Binterp1(y, x, 2.5)

Cinterp1(2.5, x, y)

Dinterp1(x, 2.5, y)

Step-by-Step Solution

Solution:

Step 1: Recall interp1 function syntax
The syntax is interp1(x, y, xi) where x and y are known points, xi is query point.
Step 2: Match the correct order of arguments
interp1(x, y, 2.5) uses interp1(x, y, 2.5), which matches the syntax correctly.
Final Answer:
interp1(x, y, 2.5) -> Option A
Quick Check:
interp1(x, y, xi) = correct syntax [OK]

Quick Trick: Remember: interp1(x, y, xi) order matters [OK]

Common Mistakes:

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