How to solve ODE function given as array of numbers

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Camille
Camille le 28 Mar 2013
Commenté : Jan le 20 Fév 2017
I have differential equation dx/dt=f(x) as an array of numbers say x=[0 0.785398163397448,1.57079632679490,3.14159265358979,2.35619449019235,6.28318530717959] and f(x)=[0,0.707106781186548,1,1.22464679914735e-16,0.707106781186548,-2.44929359829471e-16] (note: x is a function of time and f(x) is a periodic function). How can I solve this ODE without going through fitting f(x) first? I am looking for any matlab technique that can be used to do such kind of even for complex array of numbers.
  2 commentaires
DIP
DIP le 20 Fév 2017
Hi! I have the same issue, do you have the solution ?
Jan
Jan le 20 Fév 2017
@DIP: Please open a new thread and explain your problem with details.

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Jan
Jan le 28 Mar 2013
Do you mean trapz?

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