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  2. Cubic function - Wikipedia

    en.wikipedia.org/wiki/Cubic_function

    The graph of any cubic function is similar to such a curve. The graph of a cubic function is a cubic curve, though many cubic curves are not graphs of functions. Although cubic functions depend on four parameters, their graph can have only very few shapes. In fact, the graph of a cubic function is always similar to the graph of a function of ...

  3. Cubic equation - Wikipedia

    en.wikipedia.org/wiki/Cubic_equation

    By Vieta's formulas, s 0 is known to be zero in the case of a depressed cubic, and − ⁠ b / a ⁠ for the general cubic. So, only s 1 and s 2 need to be computed. They are not symmetric functions of the roots (exchanging x 1 and x 2 exchanges also s 1 and s 2 ), but some simple symmetric functions of s 1 and s 2 are also symmetric in the ...

  4. Quartic equation - Wikipedia

    en.wikipedia.org/wiki/Quartic_equation

    In mathematics, a quartic equation is one which can be expressed as a quartic function equaling zero. The general form of a quartic equation is The general form of a quartic equation is Graph of a polynomial function of degree 4, with its 4 roots and 3 critical points .

  5. Cube (algebra) - Wikipedia

    en.wikipedia.org/wiki/Cube_(algebra)

    The cube function is the function x ↦ x 3 (often denoted y = x 3) that maps a number to its cube. It is an odd function, as (−n) 3 = −(n 3). The volume of a geometric cube is the cube of its side length, giving rise to the name. The inverse operation that consists of finding a number whose cube is n is called extracting the cube root of n ...

  6. Quartic function - Wikipedia

    en.wikipedia.org/wiki/Quartic_function

    In either case, the roots of Q(x) are the roots of the factors, which may be computed using the formulas for the roots of a quadratic function or cubic function. Detecting the existence of such factorizations can be done using the resolvent cubic of Q(x). It turns out that:

  7. Weierstrass elliptic function - Wikipedia

    en.wikipedia.org/wiki/Weierstrass_elliptic_function

    A cubic of the form , = {(,): =}, where , are complex numbers with , cannot be rationally parameterized. [1] Yet one still wants to find a way to parameterize it. For the quadric = {(,): + =}; the unit circle, there exists a (non-rational) parameterization using the sine function and its derivative the cosine function: : /, (⁡, ⁡).

  8. Polynomial - Wikipedia

    en.wikipedia.org/wiki/Polynomial

    A polynomial function is a function that can be defined by evaluating a polynomial. ... There are also formulas for the cubic and quartic equations.

  9. Cubic equations of state - Wikipedia

    en.wikipedia.org/wiki/Cubic_equations_of_state

    Cubic equations of state are a specific class of thermodynamic models for modeling the pressure of a gas as a function of temperature and density and which can be rewritten as a cubic function of the molar volume.