# Argand diagram

- ['α:gənd]noun Mathematics a graph on which complex numbers can be represented, the horizontal coordinate representing the real part of the number and the vertical coordinate the imaginary participle
**Origin**early 20th cent.: named after the French mathematician J. R.*Argand*.

*English new terms dictionary.
2014.*

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**argand diagram**— noun Usage: usually capitalized A Etymology: after Jean Robert Argand died 1825 French mathematician : a conventional diagram or graph in which the complex number x + iy is represented by the point whose rectangular coordinates are x and y … Useful english dictionary**Argand diagram**— Math. a Cartesian coordinate system consisting of two perpendicular axes for graphing complex numbers, the real part of a number being plotted along the horizontal axis and the imaginary part along the vertical axis. Cf. imaginary axis, real axis … Universalium**Argand diagram**— noun Etymology: Jean Robert Argand died 1825 Swiss mathematician Date: 1908 a system of rectangular coordinates in which the complex number x + iy is represented by the point whose coordinates are x and y … New Collegiate Dictionary**Argand diagram**— /ˈagænd ˌdaɪəgræm/ (say ahgand .duyuhgram) noun Mathematics 1. a plane geometrical representation of the complex number z=x+iy, the point having rectangular coordinates (x, y). 2. a graph or figure obtained by the above method expressing some… … Australian English dictionary**Argand**— may refer to:* Aimé Argand (1755 ndash; 1803), Swiss physicist and chemist and inventor of the argand lamp * Émile Argand (1879 ndash; 1940), Swiss geologist * Jean Robert Argand (1768 ndash; 1822), mathematician * The Argand diagram or plane,… … Wikipedia**Mathematical diagram**— This article is about general diagrams in mathematics. For diagrams in the category theoretical sense, see Diagram (category theory). Euclid s Elements, ms. from Lüneburg, A.D. 1200 Mathematical diagrams are diagrams in the field of mathematics,… … Wikipedia**Jean-Robert Argand**— Infobox Scientist name = PAGENAME box width = image width =150px caption = PAGENAME birth date = July 18, 1768 birth place = Geneva, Switzerland death date = August 13, 1822 death place = Paris residence = citizenship = nationality = France… … Wikipedia**Complex number**— A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the square root of –1. A complex… … Wikipedia**Complex plane**— Geometric representation of z and its conjugate in the complex plane. The distance along the light blue line from the origin to the point z is the modulus or absolute value of z. The angle φ is the argument of z. In mathematics … Wikipedia**Scientific phenomena named after people**— This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… … Wikipedia