Lexic.us

Definition of Complex number

1. Noun. (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1.

Definition of Complex number

1. Noun. (complex analysis) A number of the form ''a + bi'', where ''a'' and ''b'' are real numbers and ''i'' denotes the imaginary unit ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Complex Number

Literary usage of Complex number

Below you will find example usage of this term as found in modern and/or classical literature:

1. Algebra: An Elementary Text-book, for the Higher Classes of Secondary by George Chrystal (1904)
"From (1) it appears that r, that is OP, is the modulus of the complex number. The equations (2) uniquely determine the angle 0, provided we restrict it to ..."

2. The American Mathematical Monthly by Mathematical Association of America (1922)
"The sum of two complex numbers is a complex number. Probably the most common error, one which persisted in books published as late as 1916, ..."

3. Plane and Spherical Trigonometry by Claude Irwin Palmer, Charles Wilbur Leigh (1916)
"In algebra the following theorems relating to complex numbers are proved: (a) A real number cannot equal a complex number. (b) // two complex numbers are ..."

4. Report of the Annual Meeting (1861)
"Again, because the necessary and sufficient condition for the divisibility of a complex number by 1—a is that the sum of the coefficients of the complex ..."

5. The Foundations of Geometry by David Hilbert (1902)
"complex number SYSTEMS. AT the beginning of this chapter, we shall present briefly certain preliminary ideas concerning complex number systems which will ..."

6. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General by Thomas Spencer Baynes (1888)
"But for a real prime such as 3 the prime root is a complex number : taking it to be -2 + t, we have (2 + i)0- 1 so (mod. 3), and tt» series of powers in ..."

Other Resources: