Release a Message in GUI to user when calculation can't be performed

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Tie Dihn 2022-1-23

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https://ww2.mathworks.cn/matlabcentral/answers/1634250-release-a-message-in-gui-to-user-when-calculation-can-t-be-performed

评论： Tie Dihn 2022-1-23

采纳的回答： Simon Chan

Hello everyone,

I am writing an app in GUI to make calculation on Matrices such as: addition, Substraction,...,

But how could I release a message when two entered matrices (say A, B) have their dimensions to be not matched to perform the operation like: A+B (e.g size(A)=[2,3],size(B)=[2,2],..).

Thank you.

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采纳的回答

Simon Chan 2022-1-23

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https://ww2.mathworks.cn/matlabcentral/answers/1634250-release-a-message-in-gui-to-user-when-calculation-can-t-be-performed#answer_879925

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A sample example as follows, you may modify it to suit your purpose:

A = [1 2 3 4; 2 3 4 5];
B = [3 4 5; 4 5 7];
fig = uifigure;
if any(size(A)~=size(B))
    uialert(fig,'Dimensions of matrix A & B are not matched','Warning','Icon','warning');
else
    C = A+B;
    uialert(fig,'Calculation finished','Message','Icon','success');
end