Set function

• To: mathgroup at smc.vnet.net
• Subject: [mg64406] Set function
• From: "Unal Ufuktepe" <unalufuktepe at iyte.edu.tr>
• Date: Thu, 16 Feb 2006 03:05:13 -0500 (EST)
• Reply-to: "Unal Ufuktepe" <unalufuktepe at iyte.edu.tr>
• Sender: owner-wri-mathgroup at wolfram.com

```I am trying to do define set function as follows:
Let A=[a,b]
(closed set);or (a,b) (open set) or (a,b] or [a,b) (semi
closed sets)
f(A) is piecevise function with respect to A (closed, open
or semi closed)

Let f(A)=2a-b if
A=[a,b]
=a-2b
if A=(a,b)
=3a-2b
if A=(a,b]
=5a-3b if
A=[a,b)

How can I define this function? I tried "Switch"
command but because of [. ],[. ),... symboles It did not
worked.

Unal Ufuktepe,PhD
Izmir Institute of Technology
Department of Mathematics,
GUlbahce-Urla, Izmir 35435
Phone:(232)-7507614
Home:232-7571614
Mobile phone: 5358969646

```

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