Cubic funtion for interpolating

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GiselleG
GiselleG 2021-4-22
回答： Stephan 2021-4-23
Hi I am woking on this problem but dont know how to approach it.
can anyone help me?
i have an X value of [1:10]
and the y looks like this [0 0.35 0.60 0.92 0.102 0.93 0.84 0.79 0.75 0.72 0.69]
and we were asked the following;
Use matlab to derive an interpolating polynomial using the method of undetermined
coefficients for a cubic function and the interpolated value of f(x) for the given value
of x= 5.3. Use matlab to determine the coefficients for the functions and output the
coefficients and the interpolated value for the function.

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Stephan
Stephan 2021-4-23

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