Operational Calculus
(Sprache: Englisch)
Since the publication of an article by G. DOETSCH in 1927 it has been known that the Laplace transform procedure is a reliable sub stitute for HEAVISIDE'S operational calculus. However, the Laplace transform procedure is unsatisfactory from several...
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Klappentext zu „Operational Calculus “
Since the publication of an article by G. DOETSCH in 1927 it has been known that the Laplace transform procedure is a reliable sub stitute for HEAVISIDE'S operational calculus. However, the Laplace transform procedure is unsatisfactory from several viewpoints (some of these will be mentioned in this preface); the most obvious defect: the procedure cannot be applied to functions of rapid growth (such as the 2 function t ~ exp (t )). In 1949 JAN MIKUSINSKI indicated how the un necessary restrictions required by the Laplace transform can be avoided by a direct approach, thereby gaining in notational as well as conceptual simplicity; this approach is carefully described in MIKUSINSKI'S textbook "Operational Calculus" [M 1J. . The aims of the present book are the same as MIKUSINSKI'S [M 1J: a direct approach requiring no un-necessary restrictions. The present operational calculus is essentially equivalent to the "calcul symbolique" of distributions having left-bounded support (see 6.52 below and pp. 171 to 180 of the textbook "Theorie des distributions" by LAURENT SCHWARTZ).
Inhaltsverzeichnis zu „Operational Calculus “
1- §0. Operators
- Test-functions and Operators
- Convolution
- Entering Functions
- § 1. Perfect Operators
- Algebra of Perfect Operators
- The Operator of an Entering Function
- Translation Property
- K-functions
- Numbers and Operators
- Ratios of Perfect Operators
2
- §2. The Basic Facts
- Translation Property
- Numbers and Operators
- Functions Having no Jumps on [0, ?)
- Various Consequences
- Three Integral Equations
- Differential Equations: Procedure
- Higher Derivatives
- Continuity of the Convolution Integral
- § 3. Elementary Applications
- Table of Formulas
- Illustrative Examples
- § 4. Partial Fraction Decomposition
- Decompositions Obtained by Division
- Heaviside's Expansion
- Decomposition into Two Parts
- Repeated Linear Factors
- Heaviside Procedure
- Repeated Quadratic and Linear Factors
- Illustrative Examples
3
- §5. Further Applications
- Series of Translates
- Periodic Functions
- Advantages of Operational Calculus
- Use of Laplace Transform Tables
- Difference Equations
- Bibliographical Comments
- Notes and Further Comments
- § 6. Calculus of Operators
- Convergence
- Value of an Operator at a Point
- Integral of an Operator
- Function-operators
- Impulse and Dipole
- Distributions and Operators
- Two Examples
- Multiplication by t
- Static Deflection of Beams
- §7. Vectors
- Electric Circuits
- The General Case
- §8 Non-integrable Functions
- Convolution of Operators
- Finite Part of a Divergent Integral
- Indexed Functions
- Derivatives on the Open Interval (0, ?)
- Duhamel's Formula
4
- § 9. Partial Differential Equations
- Differentiation with Respect to x
- Vibrating String
- A Diffusion Problem
- Wave Problems
- The Infinite Interval
- Classical Solutions
- The Finite Interval
- § 10. Diffusion Problems
- The Infinite Interval
- Insulated Rod
- The Finite Interval
- Comparison with the Laplace Transformation
5
- § 11. Series of Operators
- Series of
... mehr
Impulses
- Analytic Functions of h/D
- A Functional Calculus for h/D
- Applications
- Difference-differential Equations
- § 12. A Functional Calculus for D
- Applications
- § 13. Non-linear Equations
- Applications
- § 14. Differential Equations with Polynomial Coefficients
- Table of Formulas
- Illustrative Examples
- § 15. Theorems
- Three Basic Theorems
- A Theorem for § 6
- A Theorem for § 9
- A Theorem for § 11
- Glossary of Terminology and Notations
- Terminology
- Notations
- Summary of Results and Table of Formulas
- Elementary Formulas
- Periodic Functions
- Bibliographical Comments
- Subject and Author Index
- Analytic Functions of h/D
- A Functional Calculus for h/D
- Applications
- Difference-differential Equations
- § 12. A Functional Calculus for D
- Applications
- § 13. Non-linear Equations
- Applications
- § 14. Differential Equations with Polynomial Coefficients
- Table of Formulas
- Illustrative Examples
- § 15. Theorems
- Three Basic Theorems
- A Theorem for § 6
- A Theorem for § 9
- A Theorem for § 11
- Glossary of Terminology and Notations
- Terminology
- Notations
- Summary of Results and Table of Formulas
- Elementary Formulas
- Periodic Functions
- Bibliographical Comments
- Subject and Author Index
... weniger
Bibliographische Angaben
- Autor: Gregers Krabbe
- 2012, Softcover reprint of the original 1st ed. 1970., 350 Seiten, Maße: 17 x 24,4 cm, Kartoniert (TB), Englisch
- Verlag: Springer
- ISBN-10: 3642877060
- ISBN-13: 9783642877063
- Erscheinungsdatum: 29.04.2012
Sprache:
Englisch
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