Save and plot the Simout from simulink for every iteration of For loop applied in MATLAB

I Wish to change the parameter of Block T1 of Simulink and then i need to plot the graph and compare these 5 plots.

Hence i have for loop in MATLAB and controlled the paramters from MATLAB script using set_param.

Please refer the profgram below.

The problem i m not getting the ouput for 5 different plots and i end up getting only the last value of the iteration. i.e

i get the output values for only parameter with block T1 = '1'.

how can i save the output from simout at each iteration and plot the graphs.

Please help. Thanks in Advance.

I m writing my program below for reference

open_system('Belgium');

for i = 1:5

if i==1

set_param('Belgium/T1','Value','0');

elseif i==2

set_param('Belgium/T1','Value','0.1');

elseif i==3

set_param('Belgium/T1','Value','0.2');

elseif i==4

set_param('Belgium/T1','Value','0.5');

else

set_param('Belgium/T1','Value','1');

sim('Belgium');

open_system('Belgium/Scope3');

x = zeros(102,80);

y = zeros(102,80);

voltage = zeros(102,1);

time = zeros(102,1);

voltage = ans.simout.data;

time = ans.simout.time;

x(:,i)= voltage;

y(:,i)= time;

plot(y(:,i),x(:,i));

end

Answer 1

[Pavan Guntha]

Hello Mayur,

For storing output of simout at each iteration, you could create a 2D array and use 'i' as index to write data into it as illustrated below:

voltage(i,:) = ans.simout.data;
time(i,:)    = ans.simout.time;

You could also use 'hold' command to plot multiple graphs onto a single figure for comparison.

Hope this helps!