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Re: Plot, Epilog, and Text
*To*: mathgroup at smc.vnet.net
*Subject*: [mg80815] Re: [mg80798] Plot, Epilog, and Text
*From*: DrMajorBob <drmajorbob at bigfoot.com>
*Date*: Mon, 3 Sep 2007 06:09:00 -0400 (EDT)
*References*: <26186458.1188725719526.JavaMail.root@m35>
*Reply-to*: drmajorbob at bigfoot.com
Bruce,
Your pattern for g includes w_Real, but in the plot you passed an Integer
(3) in that position. You could pass 3.0 instead, or you can change the
definition to
g[X_String, w_?NumericQ, f_] :=
Text[Style[X, 12, Bold], {w, f /. {x -> w}}, {0, -2}]
or even
g[X_String, w_, f_] :=
Text[Style[X, 12, Bold], {w, f /. {x -> w}}, {0, -2}]
Bobby
On Sun, 02 Sep 2007 01:52:23 -0500, Bruce Colletti <vze269bv at verizon.net>
wrote:
> Re 6.0.1 under WinXP.
> Why does the first Plot fail but not the second?
>
> They seem equivalent: the former simply uses a function to implement
> the Text command that is explicit in the second Plot.
>
> Thankx.
>
> Bruce
>
> f=PDF[NormalDistribution[3,Sqrt[6]],x];
> g[X_String,w_Real,f_]:=Text[Style[X,12,Bold],{w,f/.{x->w}},{0,-2}];
>
> Clear@x;
> Plot[f,{x,-40,40},PlotRange->All,Epilog->{g["X",3,f]}]
>
> Plot[f,{x,-40,40},PlotRange->All,Epilog->{Text[Style["X",12,Bold],{3,f/.{x->3}}]}]
>
>
>
--
DrMajorBob at bigfoot.com
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