       How can you get the list of

• To: mathgroup at smc.vnet.net
• Subject: [mg91940] How can you get the list of
• From: Peng_Wang <a.pengwang at gmail.com>
• Date: Sat, 13 Sep 2008 05:56:49 -0400 (EDT)
• References: <gadcrg\$rqi\$1@smc.vnet.net> <48CA7353.7010105@gmail.com>

```Jean

I find ?Global`* is useful.
And I work out like this:
Begin["a`"]
Y=H[Ky,Ly]
End[]
Names["a`*"]//MatrixForm

Sincerely

Weber

-----=E9=82=AE=E4=BB=B6=E5=8E=9F=E4=BB=B6-----
=E5=8F=91=E4=BB=B6=E4=BA=BA: Jean-Marc Gulliet =
[mailto:jeanmarc.gulliet at gmail.com]
=E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2008=E5=B9=B49=E6=9C=8812=E6=97=A5 =
21:49
=E6=94=B6=E4=BB=B6=E4=BA=BA: Weber; mathgroup at smc.vnet.net
=E4=B8=BB=E9=A2=98: Re: How can you get the list of all used variables =
and functions in

Weber wrote:

> How can you get the list of all used variables and functions in
> Mathematica? Is that possible?

Depending on what you intend to do with the result, you could use ? or
Names. For instance, the following will give you all the user defined
functions and variables (located in the context Global by default)

In:= f[x_] := x^2

In:= g[x_, y_] := x^2 + y^2

In:= ?Global`*

Global`
f	g	x	y

In:= lst = Names["Global`*"]

Out= {"f", "g", "lst", "x", "y"}

In:= Definition /@ lst // TableForm

Out//TableForm=
2
f[x_] := x

2    2
g[x_, y_] := x  + y

lst = {f, g, lst, x, y}

Null

Null

Regards,
-- Jean-Marc

```

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