how to add timestep iteration and show all iteration in plot

Alteration

Answer 1

[Benjamin Thompson]

You can use a for loop, using your t0, dt, and tf variables in a vector notation to define the values of the time variable t:

for t = t0:dt:tf

your code...

end

[Benjamin Thompson]

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Answer 2

[Arif Hoq]

time = [4 50] ;
points = [20 100] ;
% interpolation
step_count = time(1):0.1:time(2) ; % timestep 0.1
expected_points = interp1(time,points,step_count) ;
% plot
plot(time,points,'*r',step_count,expected_points,'-g')
ylim([0 110])