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Re: question


The following command will add a line at x=4 to any graph.  I don't
know how to automatically determine the minimum and maximum value of
f[x] to set the limits, ymin and ymax

Show[Insert[Plot[f[x], x,xmin,xmax}],Line[{{4,ymin},{4,ymax}}],{1,1}]]

Hope this helps,
Daryl

"Dr. Tar Ortiz" <jortiz at campus.tol.itesm.mx> wrote:

>We want to plot the function x=4 , but we can not do that. Do you know
>how to do it, help us please.
>-- 
>+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>Dr. Tar Ortiz Peralta                        Instituto Tecnológico y de
>Estudios Superiores    
>Profesor Titular                                       de Monterrey
>Campus - Toluca
>Dir. del Depto. de Ciencias Básicas       Cien mts. al nte. de San
>Antonio Buenavista
>Tel(72)741174,741128 ext.2175           Toluca Edo. de México C. P.
>50252
>Fax(72)741178                                   
>Internet:jortiz at campus.tol.itesm.mx
>                http:/www.tol.itesm.mx/~amercado/dic/deptos/deptos.html
>+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++





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