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Consider f ( x ) = e x + 1 ( i ) 5 point Use the Lagrange interpolation method on the nodes x 0
Consider
i point Use the Lagrange interpolation method on the nodes and with to find the approximation of
Use the Newton interpolation method on the nodes and with to find the approximation of
ii point Compare the absolute error and where and are approximated values obtained by Lagrangian and Newton methods, respectively.
iii point Construct the general MATLAB code of the Lagrange interpolation method and the Newton interpolation method.
Note that your code has to be independent of the node size That is you need to construct the code, which can be applied to any node size
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