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Definition. Inflection points in differential geometry are the points of the curve where the curvature changes its sign. [2][3] For example, the graph of the differentiable function has an inflection point at (x, f(x)) if and only if its first derivative f' has an isolated extremum at x. (this is not the same as saying that f has an extremum).
In mathematics, the abscissa (/ æbˈsɪs.ə /; plural abscissae or abscissas) and the ordinate are respectively the first and second coordinate of a point in a Cartesian coordinate system: -axis (vertical) coordinate. Usually these are the horizontal and vertical coordinates of a point in plane, the rectangular coordinate system.
In calculus, the second derivative, or the second-order derivative, of a function f is the derivative of the derivative of f. Informally, the second derivative can be phrased as "the rate of change of the rate of change"; for example, the second derivative of the position of an object with respect to time is the instantaneous acceleration of ...
List of story structures. A story structure, narrative structure, or dramatic structure (also known as a dramaturgical structure) is the structure of a dramatic work such as a book, play, or film. There are different kinds of narrative structures worldwide, which have been hypothesized by critics, writers, and scholars over time.
In graphemics and typography, the term allograph is used of a glyph that is a design variant of a letter or other grapheme, such as a letter, a number, an ideograph, a punctuation mark or other typographic symbol. In graphemics, an obvious example in English (and many other writing systems) is the distinction between uppercase and lowercase ...
Asymptote. The graph of a function with a horizontal (y = 0), vertical (x = 0), and oblique asymptote (purple line, given by y = 2 x). A curve intersecting an asymptote infinitely many times. In analytic geometry, an asymptote (/ ˈæsɪmptoʊt /) of a curve is a line such that the distance between the curve and the line approaches zero as one ...
Cursive is a style of penmanship in which the symbols of the language are written in a conjoined and/or flowing manner, generally for the purpose of making writing faster. . This writing style is distinct from "print-script" using block letters, in which the letters of a word are unconnected and in Roman/Gothic letterform rather than joined-up scri
The Apollonian and the Dionysian are philosophical and literary concepts represented by a duality between the figures of Apollo and Dionysus from Greek mythology.Its popularization is widely attributed to the work The Birth of Tragedy by Friedrich Nietzsche, though the terms had already been in use prior to this, [1] such as in the writings of poet Friedrich Hölderlin, historian Johann ...