Appendix
A-8: Functions
Example A-8.4
Define the piecewise function whose rules are x2+1 for x<2 and x+3 for x≥2.
Solution
Maple Solution - Interactive
See Example 1.1 in the Maple Student Portal. In the column "Student Topics," the first question in the subsection "Constructing algebraic objects" is "How do I enter a piecewise expression or function?" A complete answer is given in Example 1.1. (Access to the Student Portal is detailed in Section A-1.)
Expression palette: piecewise template (Use the Tab key to move from field to field.)
x2+1x<2x+3x≥2
Maple Solution - Coded
Use the piecewise command.
piecewisex<2,x2+1,x≥2,x+3
If the last entry to the piecewise command is a rule without a condition, this rule is applied "elsewhere."
The symbols ≤ and ≥ can be selected from the Common Symbols palette, or typed as <= and >=, respectively. In math mode, Maple will automatically change the two characters to a single symbol.
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