diagonal point

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• Diagonal Method — The Diagonal Method (DM) is a rule of thumb in photography, painting and drawing. Dutch photographer and lecturer Edwin Westhoff discovered the method when, after having long taught the rule of thirds in photography courses, he conducted visual… …   Wikipedia

• Diagonal method — may refer to: Diagonal Method, a rule of thumb in photography, painting and drawing Cantor s diagonal argument, a mathematical proof from 1891 that real numbers are not countable This disambiguation page lists articles associated with the same… …   Wikipedia

• Diagonal mirror — may refer to: The flat Secondary mirror used in a Newtonian telescope Another name for right angled eyepiece mount used in telescopes called a Star diagonal An optical Edwardian parlour entertainment device also known as a Zograscope This… …   Wikipedia

• Diagonal lemma — In mathematical logic, the diagonal lemma or fixed point theorem establishes the existence of self referential sentences in certain formal theories of the natural numbers specifically those theories that are strong enough to represent all… …   Wikipedia

• Diagonal — For the avenue in Barcelona, see Avinguda Diagonal. The diagonals of a cube with side length 1. AC (shown in blue) is a space diagonal with length , while AC (shown in red) is a face diagonal and has length …   Wikipedia

• Diagonal matrix — In linear algebra, a diagonal matrix is a matrix (usually a square matrix) in which the entries outside the main diagonal (↘) are all zero. The diagonal entries themselves may or may not be zero. Thus, the matrix D = (di,j) with n columns and n… …   Wikipedia

• Diagonal argument — A variety of diagonal arguments are used in mathematics. Cantor s diagonal argument was the earliest. Cantor s diagonal argument Cantor s theorem Halting problem Diagonal lemma This disambiguation page lists mathematics articles associated with… …   Wikipedia

• Cantor's diagonal argument — An illustration of Cantor s diagonal argument for the existence of uncountable sets. The sequence at the bottom cannot occur anywhere in the list of sequences above. Cantor s diagonal argument, also called the diagonalisation argument, the… …   Wikipedia

• Argument Diagonal — Argument de la diagonale de Cantor L argument de la diagonale, ou argument diagonal fut découvert par le mathématicien allemand Georg Cantor (1845 1918) et publié en 1891. Il permit à ce dernier de donner une deuxième démonstration de la non… …   Wikipédia en Français

• Argument diagonal — Argument de la diagonale de Cantor L argument de la diagonale, ou argument diagonal fut découvert par le mathématicien allemand Georg Cantor (1845 1918) et publié en 1891. Il permit à ce dernier de donner une deuxième démonstration de la non… …   Wikipédia en Français

• Procédé diagonal — Argument de la diagonale de Cantor L argument de la diagonale, ou argument diagonal fut découvert par le mathématicien allemand Georg Cantor (1845 1918) et publié en 1891. Il permit à ce dernier de donner une deuxième démonstration de la non… …   Wikipédia en Français