TITLE:
Numerical Approximation of Real Finite Nonnegative Function by the Modulus of Discrete Fourier Transform
AUTHORS:
Petro Savenko, Myroslava Tkach
KEYWORDS:
Mean-Square Approximation, Discrete Fourier Transform, Two-Dimensional Nonlinear Integral Equation, Nonuniqueness And Branching of Solutions
JOURNAL NAME:
Applied Mathematics,
Vol.1 No.1,
June
2,
2010
ABSTRACT: The numerical algorithms for finding the lines of branching and branching-off solutions of nonlinear problem on mean-square approximation of a real finite nonnegative function with respect to two variables by the modulus of double discrete Fourier transform dependent on two parameters, are constructed and justified.