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File: Calculus Pdf 170110 | Calculus Of Variations
calculus of variations in calculus one studies min max problems in which one looks for a number or for a point that minimizes or maximizes some quantity the calculus of ...

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              Applied
              Calculus of
              Variations
              for Engineers
              Louis Komzsik
                                     Boca Raton   London   New York
                              CRC Press is an imprint of the
                              Taylor & Francis Group, an informa business
                                                                   
      86626_FM.indd   1                                            9/26/08   10:17:07 AM
             CRC Press
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             International Standard Book Number-13: 978-1-4200-8662-1 (Hardcover)
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                         Library of Congress Cataloging-in-Publication Data
                  Komzsik, Louis. 
                   Applied calculus of variations for engineers / Louis Komzsik. 
                     p. cm. 
                   Includes bibliographical references and index. 
                   ISBN 978-1-4200-8662-1 (hardcover : alk. paper) 
                   1.  Calculus of variations. 2.  Engineering mathematics.  I. Title. 
                  TA347.C3K66 2009 
                  620.001’51564--dc22                    2008042179
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      86626_FM.indd   2                                            9/26/08   10:17:07 AM
                           To my daughter, Stella
                                                       
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...Calculus of variations in one studies min max problems which looks for a number or point that minimizes maximizes some quantity the is about looking not but rather function example given two points x y and nd shortest curve graph joining r with makes arclength z p l ydx as small possible here denotes dy pdx q if we let s denote then ds dx more generally any c can look general minimum might exist however does it has to satisfy dierential equation called euler lagrange solve exists theorem suppose subject boundary conditions solution d notation important understand distinction between note three variables usual its partials respect those composed variable namely derivative written dl thus be proof consider u vanishes on endpoints also satises so every f at fact calculate follows su dsl simply ldu yu integrating second expression by parts gives last since udx have shown this must hold all functions vanish hence...

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