please help me to write matlab code for lagrange interpolation for order 1 through 3.

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Durgesh
Durgesh 2012-8-23
please help me to write matlab code for lagrange interpolation for order 1 through 3.
Given the data
x 1 2 2.5 3 4 5 f(x) 0 5 7 6.5 2 0
Calculate f(3.4) using Lagrange interpolating polynomials of order 1 through 3. Choose the sequence of the oints for your best possible accuracy.

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Honglei Chen
Honglei Chen 2012-8-23
There are many Lagrange interpolation resources available online, just Google it. For example
http://www.mathworks.com/matlabcentral/fileexchange/899-lagrange-polynomial-interpolation

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