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File: Calculus Pdf 169564 | Franklin Book Preface 2
understanding vector calculus jerrold franklin preface my purpose in this development of vector calculus is to present it in a way that will prove useful to you for the rest ...

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                 Understanding Vector Calculus
                        Jerrold Franklin
                         Preface
           My purpose in this development of vector calculus is to present it in a way
           that will prove useful to you for the rest of your career in science or mathe-
           matics. You can think of this presentation as a ‘workbook’ for learning how
           to use vector calculus in practical calculations and derivations. After study-
           ing the text and doing the problems, you should not have to memorize long
           equations or need to look anything up while you work in your field. I want
           you to get to the point where you can treat the use of vector calculus on the
           same level as you would simple algebraic calculations, working them out as
           you go.
            The necessary background for using this book is just a knowledge of one-
           dimensional differential and integral calculus. Having had a multivariable
           calculus course is unnecessary because the multivariable aspect of vector
           calculus will be developed from scratch. In fact, you might have to unlearn
           some of the things covered in a multivariable calculus course if it relied too
           much on using coordinate systems rather than the vector methods we will
           introduce.
            Although the examples in the book are usually related to physical ex-
           amples, particularly electromagnetism, it is not necessary to have any back-
           ground in physics. If any of the physics is new to you, you can simply
           disregard it and concentrate on the mathematics. On the other hand, if you
           have a background in (relatively simple) physics, I think you will find the
           references to physics of interest. In treating electromagnetism, we use what
           are sometimes called ‘natural units’ in which the potential of a point charge q
           is given by q/r. In this way, we avoid the introduction of artificial constants
           that might complicate the mathematics.
            Thebookhastwoparts. Partoneisabrieftextdevelopingvectorcalculus
           fromtheverybeginning, and then including some more detailed applications.
                             1
          Part two consists of answered problems, which are all closely related to the
          development of vector calculus in the text. Although there are answers im-
          mediately following each problem, you should not be too quick to use the
          answer as a crutch. For problems that involve working through a calcula-
          tion, please try your hardest to do it on your own. Then you can use the
          answer to check your result, or possibly see another way of doing the prob-
          lem. If you go immediately to the answer, you will be learning about vector
          calculus but not how to use vector calculus. Of course, if you don’t see how
          to start, or run into a roadblock, the answer is there to help you.
           There are some problems asking you to derive vector calculus results
          using Cartesian coordinates. I have to admit that you probably shouldn’t
          go through all that algebra. Those problems are just there to show you
          how complicated things can get. There are also some problems involving
          derivations. You should probably think about how you would proceed, and
          then look at the answer because the vector derivation will usually be much
          different and simpler than you might have seen in a multivariable calculus
          course.
           In any event, I hope you find my treatment interesting, perhaps enter-
          taining, and above all useful. I think you will see that you have nothing
          to fear from vector calculus, and that it will prove to be a good friend for
          the rest of your life. Feel free to use me as a resource, either by answering
          questions you might have about the material in the book, or about anything
          else. You can contact me at Jerry.F@Temple.edu.
                          2
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...Understanding vector calculus jerrold franklin preface my purpose in this development of is to present it a way that will prove useful you for the rest your career science or mathe matics can think presentation as workbook learning how use practical calculations and derivations after study ing text doing problems should not have memorize long equations need look anything up while work eld i want get point where treat on same level would simple algebraic working them out go necessary background using book just knowledge one dimensional dierential integral having had multivariable course unnecessary because aspect be developed from scratch fact might unlearn some things covered if relied too much coordinate systems rather than methods we introduce although examples are usually related physical ex amples particularly electromagnetism any back ground physics new simply disregard concentrate mathematics other hand relatively nd references interest treating what sometimes called natural unit...

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