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Typing functions using subscripts

• To: mathgroup at smc.vnet.net
• Subject: [mg45403] Typing functions using subscripts
• From: sashan <nothing at important.com>
• Date: Tue, 6 Jan 2004 04:17:06 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Hi

I'm trying to make a simple function using subscripts and greek symbols 
instead of typing the English equivalent.

Here is one function using Greek symbols and subscripts. It doesn't 
work. I've also pasted the corresponding cell expression below.
\!\(\(x\_2[\(?\_1\) _] := 2\ ?\_1;\)\)

Cell[BoxData[
RowBox[{
RowBox[{
RowBox[{
SubscriptBox["x", "2"], "[",
RowBox[{
SubscriptBox["\[Theta]", "1"], "_"}], "]"}], ":=",
RowBox[{"2", " ",
SubscriptBox["\[Theta]", "1"]}]}], ";"}]], "Input"]

Here is a similar function that works. It avoids using the symbols and 
subscripts.
x3[theta1_] := 3 theta1;
Cell[BoxData[
RowBox[{
RowBox[{
RowBox[{"x3", "[", "theta1_", "]"}], ":=",
RowBox[{"3", " ", "theta1"}]}], ";"}]], "Input"]