MATLAB: Restarting a for-loop when a condition is met

Question

I am trying to make a movie 60 frames long which shows a change in pressure profile over 60 months. I have a for-loop which calculates vector V for each month m=1:60. Then a nested for-loop which calculates the pressure at 101 equidistant points. This gives me 60 pressure profiles which I've been able to play frame-by-frame.

Problem: Now I want the first for-loop to restart whenever a pressure value drops below a value x. I've tried using an if-statement and a while-loop but I can't seem to get it to work/put it in the right place. Maybe this is because I've used the variable m in a lot of the subsequent calculations. I realize that the loop will never finish but I only need 60 iterations.

for m=1:N
  V(m) = (4*q)/(pi*((d-wm*(m))^2));
  for i = 1:n
    P1(i,m) = p - r*g*H(i) - r/(2*(d-wm*(m)))*f*V(m)^2*D(i);
  end
  plot(P1(:,m),'r-')
  title('Pressure along pipeline', 'FontSize', 14);
  xlabel('Distance', 'FontSize', 14); 
  ylabel('Pressure [Pa]', 'FontSize', 14);
  xlim([1 100]), ylim([0 p])
  ss = strcat('Month',{' '},num2str(m));
  legend(ss)
  grid
  M(:,m) = getframe;
  pause(0.1)
end

Answer 1

You would not do this with a for loop, you would do it with a while loop.

m = 1;
while m <= N
  .....
  if some condition
    m = 1;
  else
    m = m + 1;
  end
end