the four zeros
71Anexo:Alias honoríficos en la música popular — Aretha Franklin, Reina del Soul , honorificada con la Medalla Presidencial de la Libertad en noviembre de 2005. Los alias honoríficos en la música popular son, a menudo, apelativos religiosos, familiares o (la más frecuente) reales y… …
72Moore-Penrose pseudoinverse/Proofs — Existence and Uniqueness =Let A be an m by n matrix over K , where K is either the field of real numbers or the field of complex numbers. Then there is a unique n by m matrix A^+ over K such that: #A A^+A = A #A^+A A^+ = A^+ #(AA^+)^* = AA^+… …
73Base64 — Numeral systems by culture Hindu Arabic numerals Western Arabic (Hindu numerals) Eastern Arabic Indian family Tamil Burmese Khmer Lao Mongolian Thai East Asian numerals Chinese Japanese Suzhou Korean Vietnamese …
74Brahmagupta — (audio|Brahmagupta pronounced.ogg|listen) (598–668) was an Indian mathematician and astronomer. Life and work Brahmagupta was born in 598 CE in Bhinmal city in the state of Rajasthan of northwest India. He likely lived most of his life in… …
75Sun Yat-sen stamps — Numerous Chinese stamps depict Sun Yat sen, and a representative collection can be acquired with little trouble. These may conveniently be divided as the definitives, provincial issues, overprints, and commemoratives, but there is much cross over …
76Riemann, Bernhard — ▪ German mathematician in full Georg Friedrich Bernhard Riemann born September 17, 1826, Breselenz, Hanover [Germany] died July 20, 1866, Selasca, Italy German mathematician whose profound and novel approaches to the study of geometry laid the …
77Tertiary education in Australia — Tertiary or higher education in Australia is made up of universities and other higher education institutions (called higher education providers). [http://www.dest.gov.au/sectors/higher education/] A higher education provider is a body that is… …
78Moore–Penrose pseudoinverse — In mathematics, and in particular linear algebra, a pseudoinverse A+ of a matrix A is a generalization of the inverse matrix.[1] The most widely known type of matrix pseudoinverse is the Moore–Penrose pseudoinverse, which was independently… …
79Surface — This article discusses surfaces from the point of view of topology. For other uses, see Differential geometry of surfaces, algebraic surface, and Surface (disambiguation). An open surface with X , Y , and Z contours shown. In mathematics,… …
80Scientific notation — is a way of writing numbers that accommodates values too large or small to be conveniently written in standard decimal notation. Scientific notation has a number of useful properties and is commonly used in calculators, and by scientists,… …
