Fitting Data from a matrix to polynomial

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Bailey Stewart
Bailey Stewart le 20 Oct 2020
Modifié(e) : Matt J le 20 Oct 2020
I need help making a polynomial from given data from a matrix. Report the coefficients in the standard manner and describe/discuss how you chose the polynomial order. Also report the 95% confidence intervals for the coefficients.
0.0 180.48242260204557
1.0472413857496277 -2.8019794514594967E-14
1.9636664333660168 -37.722506925880054
2.9199038223613516 -5.852371530184997
4.0287872569295 30.4136814365995
5.109651311245777 42.12479894850814
5.840958234437185 14.115802094499417
7.059020731794682 -39.236345500485974
7.9997668633757595 -83.13969153340369
8.799863970074767 -54.46835207407943
10.16543599143651 126.84527900958814

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Réponses (2)

Matt J
Matt J le 20 Oct 2020
Modifié(e) : Matt J le 20 Oct 2020
Walter Roberson
Walter Roberson le 20 Oct 2020
XY = [0.0 180.48242260204557
1.0472413857496277 -2.8019794514594967E-14
1.9636664333660168 -37.722506925880054
2.9199038223613516 -5.852371530184997
4.0287872569295 30.4136814365995
5.109651311245777 42.12479894850814
5.840958234437185 14.115802094499417
7.059020731794682 -39.236345500485974
7.9997668633757595 -83.13969153340369
8.799863970074767 -54.46835207407943
10.16543599143651 126.84527900958814]
X = XY(:,1); Y = XY(:,2);

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