User Guide

• Use the sort command.
The sort command orders a list of values or terms of a polynomial.
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For information on sorting polynomials, see Sorting Terms (page 129).
For more information on sorting, refer to the ?sort help page.
Evaluating Expressions
Substituting a Value for a Subexpression
To evaluate an expression at a point, you must substitute a value for a vari-
able.
To substitute a value for a variable:
1. Right-click (Control-click, for Macintosh) the expression. Maple displays
a context menu.
2. From the context menu, select Evaluate at a Point. The Evaluate at a
Point dialog is displayed.
3. In the drop-down list, select the variable to substitute.
4. In the text field, enter the value to substitute for the variable. Click OK.
310 • 7 Maple Expressions