Plotting the updated values from if statement under for-loop
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n = 70
dt = 0.1 % 0.1second increment
for i = 1:n
t = dt*(i-1); % elapsed time
................. % lines of code
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if (condition)
tipper(A,B,r); % calling a function called tipper that outputs delta_q
elapsed_time = t
plot(elapsed_time, delta_q)
else
fprintf('Not happening\n');
end
end
Whenever the first condition is satisfied, I need to plot delta_q (output from a function called tipper) vs. elapsed_time for all i values from 1 to n (I believe there will be gaps in the plot where the 'Not happening' occurs). The 'plot(elapsed_time, delta_q)' part in the code doesn't seem to work.
采纳的回答
Use
plot(elapsed_time, delta_q,'.')
instead of
plot(elapsed_time, delta_q)
Note that you are plotting a single point at instance, so you should plot it by a marker. Also, you need to use hold on after the plot or, before the loop figure; hold on.
You have other way to achieve this, below is the pseudo code for that. I would suggest you to follow this method.
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n = 70
dt = 0.1 % 0.1second increment
xdata = NaN(1,n) ;
ydata = NaN(1,n) ;
for i = 1:n
t = dt*(i-1); % elapsed time
................. % lines of code
................. % lines of code
if (condition)
tipper(A,B,r); % calling a function called tipper that outputs delta_q
elapsed_time = t ;
xdata(i) = elapsed_time ;
ydata(i) = delta_q ;
else
fprintf('Not happening\n');
end
end
plot(elapsed_time, delta_q)
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