Home Nonfiction 13 • Zeroing dynamics, gradient dynamics, and Newton iterations - download pdf or read online

Zeroing dynamics, gradient dynamics, and Newton iterations - download pdf or read online

By Yunong Zhang, Lin Xiao, Zhengli Xiao, Mingzhi Mao

ISBN-10: 1498753787

ISBN-13: 9781498753784

ISBN-10: 1791801811

ISBN-13: 9781791801816

Neural networks and neural dynamics are robust techniques for the web resolution of mathematical difficulties coming up in lots of parts of technology, engineering, and enterprise. in comparison with traditional gradient neural networks that simply take care of static difficulties of continuing coefficient matrices and vectors, the authors’ new strategy known as zeroing dynamics solves time-varying difficulties.

Zeroing Dynamics, Gradient Dynamics, and Newton Iterations is the 1st e-book that indicates find out how to correctly and successfully resolve time-varying difficulties in real-time or on-line utilizing non-stop- or discrete-time zeroing dynamics. The ebook brings jointly study within the constructing fields of neural networks, neural dynamics, laptop arithmetic, numerical algorithms, time-varying computation and optimization, simulation and modeling, analog and electronic undefined, and fractals.

The authors supply a entire remedy of the speculation of either static and dynamic neural networks. Readers will realize how novel theoretical effects were effectively utilized to many sensible difficulties. The authors advance, examine, version, simulate, and examine zeroing dynamics versions for the net answer of various time-varying difficulties, similar to root discovering, nonlinear equation fixing, matrix inversion, matrix sq. root discovering, quadratic optimization, and inequality solving.

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Neural networks and neural dynamics are strong methods for the web resolution of mathematical difficulties bobbing up in lots of parts of technological know-how, engineering, and enterprise. in comparison with traditional gradient neural networks that simply take care of static difficulties of continuing coefficient matrices and vectors, the authors’ new strategy known as zeroing dynamics solves time-varying difficulties.

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2 DTZD Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Simplified ZD Models for Constant Case and Newton Iteration . . . . . . . . . . . 1 S-CTZD Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 S-DTZD Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Link and New Explanation to Newton Iteration . . . . . . . . . . .

3). 07 × 10−6 . 4) is of order O(τ 2 ). 4) for time-varying cube root finding. 95 and different τ , where ordinate ranges of subfigures are [−1, 5] · 10−5 and [−1, 5] · 10−7. 4), let us consider the following time-varying cube root problem with a(t) ˙ unknown (or more difficult to obtain): x3 (t) − sin(cos(sin(cos(t)))) − 4 = 0. 3) is quite complex for such a time-varying nonlinear equation solving, since it is much more difficult to obtain a(t) ˙ analytically in this example. 14). 4). 4) is effective and precise in solving such a time-varying cube root problem, in the sense that the maximal steady-state residual error is quite small.

4), let us consider the following time-varying cube root problem with a(t) ˙ unknown (or more difficult to obtain): x3 (t) − sin(cos(sin(cos(t)))) − 4 = 0. 3) is quite complex for such a time-varying nonlinear equation solving, since it is much more difficult to obtain a(t) ˙ analytically in this example. 14). 4). 4) is effective and precise in solving such a time-varying cube root problem, in the sense that the maximal steady-state residual error is quite small. 2], and [0, 100] × [3, 6]. 0001) illustrate that the maximal steady-state residual error decreases in an O(τ 2 ) manner when the sampling gap τ decreases.

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Zeroing dynamics, gradient dynamics, and Newton iterations by Yunong Zhang, Lin Xiao, Zhengli Xiao, Mingzhi Mao


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