complex variable


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complex variable

[′käm‚pleks ′ver·ē·ə·bəl]
(mathematics)
A variable which assumes complex numbers for values.
References in periodicals archive ?
Metody teorii funktsiy kompleksnogo peremennogo [Methods of complex variable theory].
Krantz , Handbook of Complex Variables, Boston, MA, 1999.
First we obtain coefficient characterization for order and type of entire functions of two complex variables over Jordan domains.
We will show how fractality can be introduced into the equations of [3] without resorting to several complex variables or quaternions.
for complex functions of a complex variable which are not analytical functions in the sense of the classical theory of complex functions instead of the expression [PHI] = [PHI] (z) = u (x, y) + iv (x, y) (see [8, page 249]).
1984) a variant of the BEM-method in complex variables is presented, called the CVBEM method.
Using the complex variable perturbations to estimate the second (as well as higher-order) derivatives gives sharper approximates than with the classical Finite-Difference approach at nano scales, due to their large cancellation errors and totally unmanageable jumps under smaller and smaller (real) steps.
In one complex variable, for example, by a classical result of Walsh and Russell [43], we have convergence for every function g analytic in a compact set K with connected complement, even when K = [[union].
Complex adaptive systems are characterized by nonlinearity (defined in this article as unproportional and nonadditive relationships between variables(2)), complex variable interaction, the presence of many variables, and the mixing of deterministic, stochastic, and self-organizing variables.
Based on a flexible, powerful Drop on Demand (DOD) inkjet printing platform, KODAK VERSAMARK VL-Series Printing Systems are equipped to handle complex variable data print applications such as transactional documents and direct mail.
Daily gardening is a complex variable, and we can't really isolate the 'active ingredient'.
The expanded company helps its clients with innovative direct communications solutions across all media, from traditional printing to complex variable data output, digital print and the use of new media channels such email and web, including many instances of hybrid solution where physical and digital communications are fully integrated.

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