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The samba line dance is an example of a two-wall dance. While doing the "volte" step, the dancers turn 180 degrees to face a new wall. [citation needed] In a four-wall dance, the direction faced at the end of the sequence is 90 degrees to the right or left from the direction in which they faced at the beginning (quarter turn). As a result, the ...
Rudolf Laban presenting his notation system, circa 1929 Dance workshop based on Laban's notation system, circa 1929. Labanotation (grammatically correct form "Labannotation" or "Laban notation" is uncommon) is a system for analyzing and recording human movement (notation system), invented by Austro-Hungarian choreographer and dancer Rudolf von Laban (1879–1958, a central figure in European ...
In Stepanov notation, downturns can be written in terms of numbers, putting the different numbers of turns in the same order and pattern the dancer executes them. For example, if the numbers 1, 2, and 3 were written in a straight line, then the dancer would similarly turn three times in a straight line.
Disc integration, also known in integral calculus as the disc method, is a method for calculating the volume of a solid of revolution of a solid-state material when integrating along an axis "parallel" to the axis of revolution. This method models the resulting three-dimensional shape as a stack of an infinite number of discs of varying radius ...
In this algorithm, one recursively draws a line to split the vertices into two sets. The Delaunay triangulation is computed for each set, and then the two sets are merged along the splitting line. Using some clever tricks, the merge operation can be done in time O( n ) , so the total running time is O( n log n ) .
Diagram for geometric proof. This proof is valid only if the line is not horizontal or vertical. [5] Drop a perpendicular from the point P with coordinates (x 0, y 0) to the line with equation Ax + By + C = 0. Label the foot of the perpendicular R. Draw the vertical line through P and label its intersection with the given line S.
The piece was reconstructed from Saint-Léon's work, which was documented using his own method of dance notation, known as La Sténochorégraphie. In 1982, the first computerized notation system—the DOM (Dance on Microprocessor) dance notation system—was created by Eddie Dombrower for Apple II computers. [6]
An annulus Illustration of Mamikon's visual calculus method showing that the areas of two annuli with the same chord length are the same regardless of inner and outer radii. [1] In mathematics, an annulus (pl.: annuli or annuluses) is the region between two concentric circles. Informally, it is shaped like a ring or a hardware washer.