MHB Which Free Program Can Plot Vector Functions Like r(t) = (2cos(t), 2sin(t))?

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The discussion centers on finding free programs to plot vector functions, specifically mentioning the function r(t) = (2cos(t), 2sin(t)). Users recommend Wolfram Alpha as a useful tool for generating plots of vector components and parametric plots by inputting the function in a specific format. For those seeking to plot 3D vector functions interactively, Mathematica 9 is suggested, with specific commands provided for parametric plotting. Additionally, a more advanced Mathematica command is shared, allowing users to manipulate parameters for dynamic visualization. Python is also mentioned as a potential option for plotting vector functions.
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Hello guys, did you know any free program to plot vector functions? like this one: r(t) = (2cos(t), 2sin(t))
 
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Re: Ploting a vectorial function

Try entering:

r(t)=<2cos(t),2sin(t)>

at wolfram alpha:

Wolfram|Alpha: Computational Knowledge Engine

It will give you plots of the components, and a parametric plot, as well as the vector length.
 
Re: Ploting a vectorial function

MarkFL said:
Try entering:

r(t)=<2cos(t),2sin(t)>

at wolfram alpha:

Wolfram|Alpha: Computational Knowledge Engine

It will give you plots of the components, and a parametric plot, as well as the vector length.

I want some that i can plot 3D vector functions and interact with the function mode to further facilitate my study in Calculos II. I have here the Mathematica 9, I am trying but i still not able to plot
 
Re: Ploting a vectorial function

Chipset3600 said:
I want some that i can plot 3D vector functions and interact with the function mode to further facilitate my study in Calculos II. I have here the Mathematica 9, I am trying but i still not able to plot

The mathematica command for what you'd like to plot would be

Code:
ParametricPlot[{2 Cos[t], 2 Sin[t]}, {t, 0, 2 Pi}]

In fact, I recommend taking a look at the following, for you to play around with:

Code:
Manipulate[ParametricPlot[{a Cos[2 Pi b t], a Sin[2 Pi b t]}, {t, 0, 1}, 
  PlotRange -> 10], {{a, 1}, 0.1, 10}, {{b, 0.5}, -1, 1}]

EDIT:
slight improvement:
Code:
Manipulate[
 ParametricPlot[{a Cos[2 Pi b t], a Sin[2 Pi b t]}, {t, 0, 1}, 
  PlotRange -> 10, 
  PlotLabel -> 
   Style[ToExpression[
     StringJoin["\[LeftAngleBracket]", ToString[a], "Sin[2\[Pi]*", 
      ToString[b], "t],Cos[2\[Pi]*", ToString[b], 
      "t]\[RightAngleBracket]"]]]]
 , {{a, 5}, 0.1, 10}, {{b, 0.5}, -1, 1}]
 
Last edited:
Chipset3600 said:
Hello guys, did you know any free program to plot vector functions? like this one: r(t) = (2cos(t), 2sin(t))

Python
 

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