Results 151 to 160 of about 2,810,127 (209)

The method of analytic functions of several complex variables in temperature problems of the theory of elasticity

Journal of Mathematical Sciences, 1998
Solving a temperature problem of the theory of elasticity with a known thermoelastic potential is reduced to finding scalar- and vector-valued analytic functions of two complex variables that satisfy the boundary condition and are solutions of the basic and adjoint problems of elasticity theory respectively.
Ya. I. Burak, V. V. Pabirivs'kii
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Topological Methods in the Theory of Functions of a Single Complex Variable: III. Casual Isomorphisms in the Theory of Pseudo-Harmonic Functions

The Annals of Mathematics, 1946
Not ...
Morse, Marston, Heins, Maurice
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Non-exhaustive method for identification of optimal variable orderings in the decomposition of complex logic functions

IEE Proceedings - Computers and Digital Techniques, 1995
An analysis is presented to predict the input variable subsets that give efficient disjunctive decompositions of complex combinatorial logic functions. A substantially smaller number of possible solutions, compared to all possible solutions, is predicted using a comparatively simple analysis, based on a count of the covers between tuples in the ...
J.T. Proudfoot, S.M. Ngwira
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A Method for Evaluation of the Error Function of Real and Complex Variable with High Relative Accuracy

Publications of the Research Institute for Mathematical Sciences, 1983
A method for evaluation of the error function of real and complex variable by means of a trapezoidal sum with a correction term is proposed. This method gives a result with high relative accuracy with small number of operations. A precise upper bound of the relative error of the approximation for real variable is given.
Masatake Mori
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A Quick Optimizing Multi-variables Method with Complex Target Function Based on the Principle of Artificial Immunology

, 2005
Choice of ADPCM's step-size updating factors M has a sea capacity of computing that optimizes multi-variables with complex target function. There is the effective scheme such as GA or MEA but its convergence rate becomes too slowly in the neighborhood of peak value of multi-peak function to come away from local optimization.
Gang Zhang, Keming Xie, Hongbo Guo, Zhefeng Zhao   +3 more
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Solving Nonlinear Optimization Problems of Real Functions in Complex Variables by Complex-Valued Iterative Methods

IEEE Transactions on Cybernetics, 2018
Much research has been devoted to complex-variable optimization problems due to their engineering applications. However, the complex-valued optimization method for solving complex-variable optimization problems is still an active research area. This paper proposes two efficient complex-valued optimization methods for solving constrained nonlinear ...
Songchuan Zhang, Youshen Xia
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Analysis of Stress Concentration for Curvilinear Holes by Complex Variable Function Method

Advanced Materials Research, 2011
A solving method with complex variable function which is fit for numerical calculation for stress concentration phenomena on an infinite plate where there are curvilinear holes is described in this paper. According to the method, the computer programs are made to study the stress concentration problems with curvilinear holes (hexagonal form and oblate ...
Hong Li, Guang Lei Li, Da Lu Qiu
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Maximization Methods for Functions of a Complex Variable

Proceedings of the IRE, 1927
The maxima and minima of a function of a real variable are found by equating to zero the derivative of the function. In the case of a function of a complex variable however the derivative is a vector quantity, so that conditions may be imposed upon its direction as well as upon its magnitude.
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The complex variable meshless local Petrov–Galerkin method for elastodynamic analysis of functionally graded materials

Applied Mathematics and Computation, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dai, Baodong, Wei, Dandan, Ren, Hongping, Zhang, Zhu   +3 more
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The complex variable meshless local Petrov–Galerkin method for elasticity problems of functionally graded materials

Applied Mathematics and Computation, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wei, Dandan, Zhang, Weiwei, Wang, Linghui, Dai, Baodong   +3 more
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