Bivariate (two Variable) Quadratic Function
Further information: Quadric and Quadratic formA bivariate quadratic function is a second-degree polynomial of the form
Such a function describes a quadratic surface. Setting equal to zero describes the intersection of the surface with the plane, which is a locus of points equivalent to a conic section.
Read more about this topic: Quadratic Function
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“It is the function of vice to keep virtue within reasonable bounds.”
—Samuel Butler (1835–1902)