Re: use a function within a new function
- To: mathgroup at smc.vnet.net
- Subject: [mg70954] Re: use a function within a new function
- From: dh <dh at metrohm.ch>
- Date: Thu, 2 Nov 2006 06:49:03 -0500 (EST)
- References: <ei9nuo$1ps$1@smc.vnet.net>
Hi Aitor,
What you did is o.k., but you fool yourself by choosing different
parameters in the 2 Plots: {t, 0, 9}, {a, 0, 9}, and {t, 0, 720}, {a,
0, 720}
Daniel
aitor69gonzalez at gmail.com wrote:
> Hello,
>
> I have a function like:
> phi(a,t) = sin(2*pi*(t-a)/T' + a/T)
> where "T" is itself a function of "a" like here:
> ####
> Plot3D[Sin[2*\[Pi]*((t - a)/3 + a/(a + 1))], {t, 0, 9}, {a, 0, 9},
> AxesLabel -> {"t", "a", "ex"}, Lighting -> False,
> ViewPoint -> {0, 0, 100}, PlotPoints -> 40, Mesh -> False];
> ####
> Therefore, I would like to define T separately. Something like here:
> ####
> T[a_] = a + 1;
> phi[a_, t_] = Sin[2*\[Pi]*((t - a)/3 + a/T[a])];
> Plot3D[phi[a, t], {t, 0, 720}, {a, 0, 720}, AxesLabel -> {"t", "a",
> "ex"},
> Lighting -> False, ViewPoint -> {0, 0, 100}, PlotPoints -> 40,
> Mesh -> False]
> ####
> But as you can see, both plots do not look like the same. How can I
> define a "T" as a function of a separately?
> Thank you in advance.
>
> Aitor
>