Determining the 4th degree polynomial

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Utku Palakci
Utku Palakci on 30 Dec 2018
Commented: Utku Palakci on 30 Dec 2018
I need help about determine the 4th degree polynomial y(x) that passes through the following points:
(0,−1), (1, 1), (3, 3), (5, 2) and (6,−2).

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Accepted Answer

Walter Roberson
Walter Roberson on 30 Dec 2018
Edited: Walter Roberson on 30 Dec 2018
polyfit([0 1 3 5 6], [-1 1 3 2 -2], 4)
If you need symbolic form you could poly2sym() the result of the above.

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