Cubic Interpolation, Quadrtic, Lagrange Polynomial and Least Square Regression

This Codes generate one figure contains the titled interpolation for a set of points (x),(y)

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User must enter equal (x), (y) Vector represents the data, then separate codes each is responsible for one interpolation method.

Cite As

Ahmed Mekkawy (2026). Cubic Interpolation, Quadrtic, Lagrange Polynomial and Least Square Regression (https://www.mathworks.com/matlabcentral/fileexchange/50635-cubic-interpolation-quadrtic-lagrange-polynomial-and-least-square-regression), MATLAB Central File Exchange. Retrieved .

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General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.0.0.0