How to store continuous data from Matlab GUI.

Hi,

I have built a matlab gui that read the data obtaining from Simulink. The matlab gui do some calculation and store it in some variables. Now, I would like to store the data of those variables from matlab gui.

I have tried to use assignin, but this function only save the last data(a scalar), but not data changing with time.

Please let me know are there any function that allow me to store the data according to time.

Thank you.

Answer 1

[Divyajyoti Nayak]

Hi @gdz,

To store data each time the GUI makes the calculations, rather than assigning the result to a variable the result should be appended like this:

result = [1, 2, 3, 4];
newResult = [5];
result = [result, newResult]

result = 1×5

1 2 3 4 5

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Here's some sample code showing the difference:

result1 = [];
result2 = [];
for i = 1:10
    %Do calculations
    newResult = i; %new result after calculation
    result1 = newResult; %Only stores latest result
    result2 = [result2, newResult]; %Stores all previous results as well
end

result1

result1 = 10

result2 %This can be then extracted from GUI

result2 = 1×10

1 2 3 4 5 6 7 8 9 10

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