Why does the matlab command window display everything?

Question

Imanol Fernandez de arroyabe Zabala 2021-12-31

0
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https://ww2.mathworks.cn/matlabcentral/answers/1620270-why-does-the-matlab-command-window-display-everything

评论： Sulaymon Eshkabilov 2021-12-31

For example, when I declare variables and when I'm changing them, for every iteration of this process, it shows the variable in the command window. How do I change this so that it only shows what I tell the program to show?

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Answer 1

Sulaymon Eshkabilov 2021-12-31

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https://ww2.mathworks.cn/matlabcentral/answers/1620270-why-does-the-matlab-command-window-display-everything#answer_865885

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It can be attained quite easily using semicolon operator ";", e.g.:

% This displays all simulation reults
a = 3
a = 3
for ii = 1:5
b(ii) = a*ii
end
b = 3
b = 1×2
     3     6
b = 1×3
     3     6     9
b = 1×4
     3     6     9    12
b = 1×5
     3     6     9    12    15
%% This display what a user pinpoints:
a = 3;
for ii = 1:5
b(ii) = a*ii;
end
fprintf('b(%d) = %d \n', [ii, b(ii)])
b(5) = 15 
% OR
fprintf('b(3) = %d \n', b(3))
b(3) = 9 