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Light bulb filament

  • Thread starter schulzy
  • Start date
8
0
1. Homework Statement
I want to modelling a light bulb filament in MATLAB, but I don't know, what functions describe this shape. My question is, what are equation (x,y,z) which describe the light bulb filament.
 

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Answers and Replies

24
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If you just mean a spiral shape then something like (x,y,z)=(Sin(t),Cos(t),t) should work using a parametric plot (in mathematica anyway, I don't use matlab).
 
8
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I know that
x=cos(t)
y=sin(t)
z=b*t
these equation describe a simple spiral, but I want to drawing complicated shape, like in attachment.
 

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