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Download A Guide to Maple by Ernic Kamerich (auth.) PDF

By Ernic Kamerich (auth.)

This "hands-on" publication is for those that have an interest in instantly placing Maple to paintings. The reader is supplied with a compact, speedy and surveyable advisor that introduces them to the wide services of the software program. The e-book is enough for normal use of Maple and may offer recommendations for extending Maple for extra really expert paintings. the writer discusses the reliability of effects systematically and offers methods of trying out questionable effects. The ebook permits a reader to turn into a person presently and is helping him/her to develop steadily to a broader and more adept use. hence, a few matters are handled in an introductory manner early within the e-book, with references to a extra unique dialogue later on.

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2 Assigning names and expressions to a name Now let's see what happens when we assign the first expression to a name. > expr := 3*X~2 + a; expr := 3X 2 + 1000 What Maple has done is the following: - The right-hand side has been evaluated to 3X 2 + 1000. - This result has been put on the 'stack' for reference by the ditto (%). - The left-hand side, the name expr, is made to refer to this expression. This last action is represented by Maple's response. If you had assigned something to a previously and would have forgotten about that, you would not have expected this result.

Chapter 2 Numbers and algebraic operators In this chapter, various types of numbers are discussed together with their algebraic operators: rational numbers, radicals, special real numbers such as 7r, complex numbers, jloating-point approximations, integers, and Z modulo n. Toolsfor manipulating and converting numbers are discussed in Chapter 12, Manipulating and converting numbers, but the basic ideas for manipulating radicals and complex numbers are demonstrated in the present chapter. 1 Algebraic operators In Maple, the main algebraic operators for sum, difference, product, quotient, and power are entered successively as +, -, *, / and A.

Maple does not protest, but prints the unevaluated procedure caB on the screen. The idea behind it is the possibility that a procedure normeI might be defined later. 10 Procedures that seem to do nothing In the next command, the procedure sin is applied to 1; this procedure tries to simplify the expression sin(1), but no better expression is found, so the function call itself is retumed. > sin(l); sin(1) This is called an unevaluated function caII. Generally, if asked for, Maple can supply an approximation in such a case.

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