Interpolation of values between the beginning and end of crank rotation

    Hi, I am trying to interpolate values during rotation of a crank. I have issue at the transitions from 355-0.5 angle, as the interpolated values in  between the (1s-2s) interval decreases, when the cycle should naturally end at 360 degree and new cycle begins with 0. How can I set it up, such that t_tointerpolate at 1.5s = 360 or around and then  t_original at 2s = 0.5;
I tried to find the indices of columns where these transitions happen, but no luck.
t_original = [0, 1, 2, 3, 4];
  t_tointerpolate = [0.5,1.5, 2.5, 3.5];
  angle = [350 , 355, 0.5, 2, 3] ; 
    for i =1:length(angle)-1
    b =  find (angle(i+1)<angle(i))
    end

Answer 1

[Star Strider]

I would use the interp1 funciton.

Try this:

t_original = [0, 1, 2, 3, 4];
angle = [350 , 355, 0.5, 2, 3];
t_tointerpolate = [0.5,1.5, 2.5, 3.5];

new_angle = interp1(t_original, angle, t_tointerpolate, 'linear', 'extrap');

See the documentation for interp1 for a full description of its abilities.