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In this “section”, we will begin to look at the mathematical software “Maple”. We will introduce the basics of defining functions, and then look at some.

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Presentation on theme: "In this “section”, we will begin to look at the mathematical software “Maple”. We will introduce the basics of defining functions, and then look at some."— Presentation transcript:

1 In this “section”, we will begin to look at the mathematical software “Maple”. We will introduce the basics of defining functions, and then look at some calculus specific ideas.

2 Maple has many “packages” of commands that must be loaded in order for them to be available. The ones we would use most often in a calculus class are called “plots” and “student”. So our first commands would be: with(plots); with(student);

3 The command line for defining a function is shown below in generic form: name:= input -> formula; For example, to define we would enter: f:=x-> x^2 + 5;

4 Maple has some specific ways of defining some common functions:

5 Having already defined a function (named f), we graph it as follows: plot(f(x), x=xmin..xmax, y=ymin..ymax, color=__); For example, to graph (which we already defined) in the window [-1, 2] × [0..10], we would enter: plot(f(x), x=-1..2, y=0..10, color=magenta);

6 Define the function and then produce a graph of this function, in blue, for values of x in the interval [-2, 6].

7 Having already defined 2 functions (named f & g), we graph them as follows: plot([f(x), g(x)], x=xmin..xmax, color=[__, __]); Note that the y range is never needed, but can always be added as an extra parameter. This is true for any number of functions being graphed.

8 Define the functions and then produce a graph of these functions, in blue and green respectively, for values of x in the interval [-3, 4].

9 Having already defined a function (named f ) We find as follows: Limit(f(x), x=a); value(%); We find as follows: Limit(f(x), x=a, right); value(%); We find as follows: Limit(f(x), x=a, left); value(%);

10 Find the following limits using Maple:

11 Having already defined a function (named f ) We find its derivative as follows: Diff(f(x), x); value(%); We find its n th derivative as follows: Diff(f(x), x$n); value(%);

12 Using Maple, define and then find:

13 To find for an implicitly defined curve, we enter: implicitdiff(equation, y, x); For example, to find for the curve we would enter: implicitdiff(sqrt(x*y)=2*x, y, x);

14 Use Maple to find a formula for for the given curves.

15 Having already defined a function (named f ) We find as follows: Int(f(x), x); value(%); We find as follows: Diff(f(x), x=a..b); value(%);

16 Use Maple to find each of the following integrals:


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