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# 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 given relationship between complex numbers.
{named after Jean Robert Argand, 1768–1822, French mathematician}

Australian English dictionary. 2014.

### Look at other dictionaries:

• 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

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• 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

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