Simulink FastRestart doesnt change output

Hey Guys,

i have a simulink model in a for loop. Every Iteration i change parameters in my system. If i run the system without Fast Restart, it changes it outcome as it should. But when i activate FastRestart in my model the output is always the same.

My Code is:

for k=1:3
    alpha = [50-k,100+k,125-k,85+k]; 
    s = [3-0.01*k,4+0.01*k,4-0.01*k]; 
    t = [3+0.01*k,4-0.01*k,4+0.01*k];
    
    geometrics = getGeometrics(alpha,s,t); %returns a strucArray. The Geometrics are used as length and angle Parameters in the Simulation

        %start simulation
        simOut = sim('Model.slx','CaptureErrors','on','SrcWorkspace','current');

        %Solution
        pos1 = simOut.xx.data;
        disp(['Position: ' num2str(pos1), 'cm')]);
end   

% The Display in normal like 1cm, 2cm, 3cm and in FastRestart 1cm, 1cm, 1cm 

I have no idea why my output doesnt change in FastRestart. In

https://de.mathworks.com/help/simulink/ug/fast-restart-workflow.html

it is written that all my blocks must support ModelOperatingPoint but i dont know how to check that either.

[Ahmed Fahmy]

I have a similar issue reported here https://www.mathworks.com/matlabcentral/answers/1653390-simscape-resistance-randomization-does-not-occur-when-running-simulation-with-fast-restart but it is more with random tolerance of simscape components

But I tried something similar to what you did with fast restart and it worked fine with me. So I am curious to know how are you passing the swept parameters to your model? are you using from_work_space block or just using them as mask parameters of some blocks?