User Guide

Defining a Mathematical Function
To define a function of one or two variables:
1. In the Expression palette, click one of the function definition items (Figure
1.5). Maple inserts the function definition.
2. Replace the placeholder f with the function name. Press Tab.
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.
Figure 1.5: Function Definition Palette Items
For example, define a function that doubles its input.
=
=
Note: To insert the right arrow symbol , you can also enter the characters
->.
Important: The expression is different from the function .
For more information on functions, see Functional Operators (page 292).
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