algorithmic modeling for Rhino
What do you mean by mathematical expression? f(x)→y? f(t)→x; g(t)→y? f(x,y)=c?
Either way I'm not sure it's possible and I am sure it is difficult.
For instance, a straight line in 2D has the parametric equation p:=[t,0,0] (The function f(x)=ax+b) This is very simple.
If I draw a random interpolate curve in Rhino, is there any options to get the parametric equation of this line? For example: ax^4+bx^3+cx^2+d etc etc.
For instance, a straight line in 2D has the parametric equation p:=[t,0,0] (The function f(x)=ax+b) This is very simple.
Unless the line is vertical, in which case an explicit equation won't work.
No, there is typically no way to represent a bezier/nurbs curve using a polynomial of the form f(x) = ax^p + bx^(p-1) + cx^(p-2) + ... + fx + g
A nurbs curve consists of a collection of piece-wise polynomials for each spatial dimension it is defined in. The polynomials have a certain amount of continuity where they meet (this continuity is of a higher order when the curve degree is higher), but they completely separate entities.
Hi Raqib,
Just considering the title of your post you might want to take a look at Fourier Series if you already didn't
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