draw parabola

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emrah kara
emrah kara il 28 Dic 2011
Write a Matlab m-file to input three points (x1,y1), (x2,y2) and (x3,y3) in the x-y plane, and to draw the function and output the equation of a parabola passing through these points.
haw can draw?

Risposta accettata

Sean de Wolski
Sean de Wolski il 28 Dic 2011
doc linspace
doc plot
doc ezplot %If you have the symbolic math toolbox
A few pointers.
  2 Commenti
Sean de Wolski
Sean de Wolski il 28 Dic 2011
Okay, I'll give you a bigger hint:
doc polyfit %and friends
Jan
Jan il 29 Dic 2011
I prefer the "doc polyfit" hint. +1

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Più risposte (2)

emrah kara
emrah kara il 28 Dic 2011
we will take the three points from the keyboard then we will draw a parabola which intercepts these points so we need a method to solve this problem.
  1 Commento
John D'Errico
John D'Errico il 28 Dic 2011
So? This is not the we do your homework site. Sean has already given you some hints to get started. Why not make a stab at it? If you have a problem with something, THEN ask a question.

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Jose Jeremias Caballero
Jose Jeremias Caballero il 29 Dic 2011
Hello, you improve your question.
Your question would be:
1). Write a program in Matlab, to find the equation of the parabola with focal axis parallel to the X axis passing through the points (x1, y1), (x2, y2) and (x3, y3).
2). Write a program in Matlab, to find the equation of the parabola with focal axis parallel to the Y axis, passing through the points (x1, y1), (x2, y2) and (x3, y3).
3). Write a program in Matlab, to find the equation of the parabola passing through the points (x1, y1), (x2, y2) (x3, y3), (x4, y4) and (x5, y5).
  1 Commento
Jan
Jan il 1 Gen 2012
This does not answer the OP's question.

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