primitive of a differential equation

  • 81Algorithme de Risch — L’algorithme de Risch, dû à Robert Risch (de), est un algorithme destiné aux systèmes de calcul formel, permettant de calculer des primitives, c est à dire de déterminer une fonction, connaissant sa dérivée. L’algorithme transforme ce… …

    Wikipédia en Français

  • 82Insurance — This article is about risk management. For Insurance (blackjack), see Blackjack. For Insurance run (baseball), see Insurance run. In law and economics, insurance is a form of risk management primarily used to hedge against the risk of a… …

    Wikipedia

  • 83Spinor — In mathematics and physics, in particular in the theory of the orthogonal groups (such as the rotation or the Lorentz groups), spinors are elements of a complex vector space introduced to expand the notion of spatial vector. Unlike tensors, the… …

    Wikipedia

  • 84Philosophy of mathematics — The philosophy of mathematics is the branch of philosophy that studies the philosophical assumptions, foundations, and implications of mathematics. The aim of the philosophy of mathematics is to provide an account of the nature and methodology of …

    Wikipedia

  • 85Wright brothers — Orville Wright Photo: 1903 Born August 19 …

    Wikipedia

  • 86comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… …

    Universalium

  • 87List of mathematics articles (G) — NOTOC G G₂ G delta space G networks Gδ set G structure G test G127 G2 manifold G2 structure Gabor atom Gabor filter Gabor transform Gabor Wigner transform Gabow s algorithm Gabriel graph Gabriel s Horn Gain graph Gain group Galerkin method… …

    Wikipedia

  • 88mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …

    Universalium

  • 89Computability theory — For the concept of computability, see Computability. Computability theory, also called recursion theory, is a branch of mathematical logic that originated in the 1930s with the study of computable functions and Turing degrees. The field has grown …

    Wikipedia

  • 90History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …

    Wikipedia