User Guide

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For more information on these data structures, including how to access entries
and perform linear algebra computations, see Linear Algebra (page 135).
Functional Operators
A functional operator is a mapping . The value of is the
result of evaluating .
Using functional operators, you can define mathematical functions.
Defining a Function
To define a function of one or two variables:
1. In the Expression palette, click one of the function definition items. See
Figure 7.1. Maple inserts the function definition.
2. Replace the placeholder f with the function name. Press Tab. Note: If
pressing the Tab key inserts a tab, click the Tab icon in the toolbar.
3. Replace the parameter placeholders, x or x1, x2, with the independent
variable names. Press Tab.
4. Replace the final placeholder, y, with the expression that defines the
function value. Press Enter.
292 • 7 Maple Expressions