By Hartmut Logemann

ISBN-10: 1447163974

ISBN-13: 9781447163978

ISBN-10: 1447163982

ISBN-13: 9781447163985

The ebook includes a rigorous and self-contained therapy of initial-value difficulties for usual differential equations. It also develops the fundamentals of keep an eye on thought, that is a different characteristic in present textbook literature.

The following themes are quite emphasised:

• life, strong point and continuation of solutions,
• non-stop dependence on preliminary data,
• flows,
• qualitative behaviour of solutions,
• restrict sets,
• balance theory,
• invariance principles,
• introductory keep an eye on theory,
• suggestions and stabilization.

The final goods hide classical keep watch over theoretic fabric similar to linear regulate concept and absolute balance of nonlinear suggestions structures. it is usually an advent to the more moderen thought of input-to-state stability.

Only a easy grounding in linear algebra and research is believed. Ordinary Differential Equations can be compatible for ultimate yr undergraduate scholars of arithmetic and applicable for starting postgraduates in arithmetic and in mathematically orientated engineering and science.

Show description

Read Online or Download Ordinary Differential Equations: Analysis, Qualitative Theory and Control PDF

Best system theory books

Get Cooperative Control Design: A Systematic, Passivity-Based PDF

Cooperative keep watch over layout: a scientific, Passivity-Based procedure discusses multi-agent coordination difficulties, together with formation regulate, perspective coordination, and contract. The ebook introduces passivity as a layout instrument for multi-agent structures, offers exemplary paintings utilizing this tool,and illustrates its benefits in designing strong cooperative keep an eye on algorithms.

Stochastic Differential Equations: An Introduction with - download pdf or read online

From the studies to the 1st version: many of the literature approximately stochastic differential equations turns out to put a lot emphasis on rigor and completeness that it scares the nonexperts away. those notes are an try to technique the topic from the nonexpert viewpoint. : now not realizing something .

New PDF release: Ordinary Differential Equations: Analysis, Qualitative

The e-book includes a rigorous and self-contained remedy of initial-value difficulties for traditional differential equations. It also develops the fundamentals of keep an eye on idea, that is a special characteristic in present textbook literature. the subsequent issues are fairly emphasised:• life, forte and continuation of solutions,• non-stop dependence on preliminary data,• flows,• qualitative behaviour of solutions,• restrict sets,• balance theory,• invariance principles,• introductory keep an eye on theory,• suggestions and stabilization.

Extra resources for Ordinary Differential Equations: Analysis, Qualitative Theory and Control

Example text

This completes the proof. 10. 11 Let P, Q ∈ FN ×N . 18) does not hold in general. 16), over the complex field F = C, can be computed. 1. For A ∈ CN ×N it is convenient to define σ(A) := {λ ∈ C : λ is an eigenvalue of A}. The set σ(A) (the set of all eigenvalues of A) is called the spectrum of σ(A). 11 Let A ∈ CN ×N . For λ ∈ σ(A), let m(λ) denote the algebraic multiplicity of λ, denote its associated generalized eigenspace by E(λ) := ker(A − λI)m(λ) , and, for z ∈ CN , define xz : R → CN by xz (t) := exp(At)z.

20 Let n ∈ N. 30) has a non-zero periodic solution x of period np if, and only if, Φ(p, 0) has an eigenvalue λ such that λn = 1. Proof To prove sufficiency, assume that λ is an eigenvalue of Φ(p, 0) and λn = 1. Let v ∈ CN be an associated eigenvector. Then v = 0 and Φn (p, 0)v = λn v = v. The unique solution x : R → FN of the initial-value problem x(t) ˙ = A(t)x(t), x(0) = v, 46 2. Linear differential equations is given by x(t) = Φ(t, 0)v. 32), with τ = 0, gives x(t + np) = Φ(t + np, 0)v = Φ(t, 0)Φn (p, 0)v = Φ(t, 0)v = x(t) ∀ t ∈ R, and so x is a non-zero periodic solution of period np.

YN (2) Let τ ∈ J be fixed, but arbitrary. Since yj ∈ Shom for j = 1, . . 5 that yj (t) = Φ(t, τ )yj (τ ) for all t ∈ J and all j = 1, . . , N . Hence, for all t ∈ J, w(t) = det Φ(t, τ ) det(y1 (τ ), . . 13). Moreover, writing Φ(t, τ ) = (ϕ1 (t, τ ), . . 1) and the product rule for differentiation, that, for all t ∈ J which are not points of discontinuity of A, N det ϕ1 (t, τ ), . . , ϕj−1 (t, τ ), ∂1 ϕj (t, τ ), . . , ϕN (t, τ ) , ∂1 det Φ (t, τ ) = j=1 where ∂1 denotes the derivative with respect to the first argument.

Download PDF sample

Ordinary Differential Equations: Analysis, Qualitative Theory and Control by Hartmut Logemann


by Joseph
4.4

Rated 4.14 of 5 – based on 48 votes