       Re: ParametricLinePlot3D

• To: mathgroup at smc.vnet.net
• Subject: [mg131955] Re: ParametricLinePlot3D
• From: Narasimham <mathma18 at gmail.com>
• Date: Wed, 6 Nov 2013 00:35:23 -0500 (EST)
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```Or least, why should the v new parameter values be ignored in subsequent settings when the function is solely dependent on u only?

R = 2.; a = 1.;
Ringsweep1[u_] = {a Cos[R Sin[u]/a] Cos[v] - Sin[v]*a Sin[R Sin[u]/a],
a Cos[R Sin[u]/a] Sin[v] + Cos[v]*a Sin[R Sin[u]/a], R Cos[u]};
v = Pi/3;
g1 = ParametricPlot3D[Ringsweep1[u], {u, 0, 2 Pi},
PlotStyle -> {Red, Thick}]
v = 2 Pi/3;
g2 = ParametricPlot3D[Ringsweep1[u], {u, 0, 2 Pi},
PlotStyle -> {Red, Thick}]
v = 4 Pi/3;
g3 = ParametricPlot3D[Ringsweep1[u], {u, 0, 2 Pi},
PlotStyle -> {Red, Thick}]
Show[{g1, g2, g3}, PlotRange -> All]

Under such circumstances, why Manipulating by varying v is not possible inside its Box?

Regards
Narasimham

```

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