Question:
Which of the following formula is used to fit a polynomial for interpolation with equally spaced data?
Which of the following formula is used to fit a polynomial for interpolation with equally spaced data?
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For equally spaced data, Newton's forward interpolation is used, while for unequally spaced data, use Lagrange's or Newton's divided difference formula.
Updated On: July 22, 2025
- Newton's divided difference interpolation formula
- Lagrange's interpolation formula
- Newton's forward interpolation formula
- Least-square formula
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding interpolation methods. - Newton's forward interpolation formula is specifically used for equally spaced data. - Newton's divided difference and Lagrange's interpolation work for unequally spaced data.
Step 2: Selecting the correct option. Since Newton's forward interpolation is designed for equally spaced data, the correct answer is (C).
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