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Argand diagram

noun

, Mathematics.
  1. 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.


Argand diagram

/ ˈɑːɡænd /

noun

  1. maths a diagram in which complex numbers are represented by the points in the plane the coordinates of which are respectively the real and imaginary parts of the number, so that the number x + i y is represented by the point ( x, y ), or by the corresponding vector < x, y >. If the polar coordinates of ( x, y ) are ( r, θ), r is the modulus and θ the argument of x + i y See also amplitude
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of Argand diagram1

1905–10; named after Jean-Robert Argand (1768–1822), Swiss mathematician
Discover More

Word History and Origins

Origin of Argand diagram1

C19: named after Jean-Robert Argand (1768–1822), French mathematician

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