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Field name	Details
Dewey Class	515
Title	Optimization Methods ([EBook] /) / by Henning Tolle.
Author	Tolle, Henning
Other name(s)	SpringerLink (Online service)
Publication	Berlin, Heidelberg : : Springer Berlin Heidelberg, , 1975.
Physical Details	XIV, 226 p. 1 illus. : online resource.
Series	Universitext 0172-5939
ISBN	9783642877315
Summary Note	Variational problems which are interesting from physical and technical viewpoints are often supplemented with ordinary differential equations as constraints, e. g. , in the form of Newton's equations of motion. Since analytical solutions for such problems are possible only in exceptional cases and numerical treat ment of extensive systems of differential equations formerly caused computational difficulties, in the classical calculus of variations these problems have generally been considered only with respect to their theoretical aspects. However, the advent of digital computer installations has enabled us, approximately since 1950, to make more practical use of the formulas provided by the calculus of variations, and also to proceed from relationships which are oriented more numerically than analytically. This has proved very fruitful since there are areas, in particular, in automatic control and space flight technology, where occasionally even relatively small optimization gains are of interest. Further on, if in a problem we have a free function of time which we may choose as advantageously as possible, then determination of the absolutely optimal course of this function appears always advisable, even if it gives only small improve ments or if it leads to technical difficulties, since: i) we must in any case choose some course for free functions; a criterion which gives an optimal course for that is very practical ii) also, when choosing a certain technically advantageous course we mostly want to know to which extent the performance of the system can further be increased by variation of the free function.:
Contents note	I. Basic Concepts -- 1. Review of Methods to be Discussed and their Interrelations -- 2. A General Outline of the Calculus of Variations -- II. Indirect Methods -- 1. The Pontryagin Maximum Principle -- 2. Adjustment of the Calculus of Variations to the Recent Problem Formulations -- 3. Numerical Solution of the Boundary Value Problem for Systems of Ordinary Non-Linear Differential Equations -- III. Direct Methods -- 1. Gradient Method of the First Order -- 2. Generalizations of the Gradient Method of the First Order and Related Methods -- 3. The Bellman Dynamic Programming Method -- Problems -- Comments.
System details note	Online access to this digital book is restricted to subscription institutions through IP address (only for SISSA internal users)
Internet Site	http://dx.doi.org/10.1007/978-3-642-87731-5
Links to Related Works	Subject References: Analysis . Analysis (Mathematics) . Mathematical analysis . Mathematics . Authors: Tolle, Henning . Corporate Authors: SpringerLink (Online service) . Series: Universitext . Classification: 515 .

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