Cubic Function (Polynomial of degree 3)

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Cubic Function (Polynomial of degree 3)


In algebra, a cubic function is is a polynomial function in one or more variables in which the highest-degree term is of the third degree.

<MATH> {\displaystyle f(x)=ax^{3}+bx^{2}+cx+d} </MATH>

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Piecewise Polynomial Cubic Spline
Statistics - Cubic spline

Cubic splines is a step cubic piecewise polynomial in the left and the right and continuous at the knot. There's the following constraints: The first derivatives continues at the knot, and the...

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