complex number

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Related to Imaginary plane: imaginary part, Imaginary axis, Argand plane

complex number

Any number of the form a + bi, where a and b are real numbers and i is an imaginary number whose square equals -1.

complex number

(Mathematics) any number of the form a + ib, where a and b are real numbers and i = √–1. See number1

com′plex num′ber

a mathematical expression (a + bi) in which a and b are real numbers and i2=−1.

com·plex number

A number that can be expressed in terms of i (the square root of -1). Mathematically, such a number can be written a + bi, where a and b are real numbers. An example is 4 + 5i.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.complex number - (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
number - a concept of quantity involving zero and units; "every number has a unique position in the sequence"
complex conjugate - either of two complex numbers whose real parts are identical and whose imaginary parts differ only in sign
real, real number - any rational or irrational number
pure imaginary number - an imaginary number of the form a+bi where a is 0
imaginary part, imaginary part of a complex number - the part of a complex number that has the square root of -1 as a factor
komplexní číslo
kompleksa nombro
מספר מרוכב
kompleksni broj
komplex szám
numero complesso
komplekst tall
komplexa tal
karmaşık sayılar
References in periodicals archive ?
Brownies and Rainbows board their imaginary plane for an 'around the world' adventure.
Our least favorite is the one that awards a touchdown for merely putting the nose of the ball past the imaginary plane of the goal line.
plane to plane transformations with imaginary plane which represents boundary in measured space.
c) Geometric interpretation, using a known theorem connecting geometry and imaginary plane.
With the open-loop method, a field probe is used to confirm field strength across an imaginary plane perpendicular to the field emanating from the antenna.