How to make the error below each other in the text box

Question

Othman Alkandri 2023-5-10

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1961134-how-to-make-the-error-below-each-other-in-the-text-box

评论： Othman Alkandri 2023-5-12

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Hello, guys, I am trying to have the errors below each other, and they are all in one line. Could you please see the code and give me some suggestions?

            if V_breadth_min_check == 0
                msg_V_breadth_min = sprintf('Error Loading Parameter V-breadth-min: %f', app.V_breadth_min);
                msg = strcat(msg, msg_V_breadth_min, "%s\n%s"); % append the error message to msg
                error = error + 1;
            elseif V_breadth_min_check == 1
                msg_V_breadth_min = sprintf('Loaded Parameter V-breadth-min: %f', app.V_breadth_min);
            end
            %V_breadth_max_check
            if V_breadth_max_check == 0
                msg_V_breadth_max = sprintf('Error Loading Parameter V-breadth-max: %f%s\n%s', app.V_breadth_max_check);
                msg = strcat(msg, msg_V_breadth_max); % append the error message to msg
                error = error + 1;
            elseif V_breadth_max_check == 1
                msg_V_breadth_max = sprintf('Loaded Parameter V-breadth-max: %f', app.V_breadth_max);
            end
           
                error_num = sprintf('# Error: %f%s\n%s', error);
                msg = strcat(msg, error_num); % append the error message to msg
           
            % error is used as a flag to see it three is any
            % uploaded value vilotated the value range or type condution
            if error == 0
                msgbox(msg_load, 'Ship Specification Parameters is Loaded');
                app.ShipSpecificationButton.BackgroundColor = [0.93,0.69,0.13];
            elseif error >= 0
                msgbox(msg, 'Error in Ship Specification Parameters', 'error', 'modal');
                app.ShipSpecificationButton.BackgroundColor = [1.00,0.00,0.00];
            end

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Answer 1

Sulaymon Eshkabilov 2023-5-11

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https://ww2.mathworks.cn/matlabcentral/answers/1961134-how-to-make-the-error-below-each-other-in-the-text-box#answer_1233414

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Use { } in strcat() and ; (semicolon), to start a new error message from the following line in your msgbox. Here is the corrected code with my some dummy arbitrary input variables:

msg = ' ';

error =0 ;

app.V_breadth_min = 0;

app.V_breadth_max_check = 13;

V_breadth_min_check = [0 1 0 0];

V_breadth_max_check = [1 0 1 0];

for ii=1:4

if V_breadth_min_check(ii) == 0

msg_V_breadth_min = sprintf('Error Loading Parameter V-breadth-min: %f ', app.V_breadth_min);

msg = strcat([msg; {msg_V_breadth_min}]); % append the error message to msg

error = error + 1;

app.V_breadth_min = 0;

end

if V_breadth_max_check(ii) == 0

msg_V_breadth_max = sprintf('Error Loading Parameter V-breadth-max: %f ', app.V_breadth_max_check);

msg = strcat([msg; {msg_V_breadth_max}]); % append the error message to msg

error = error + 1;

app.V_breadth_max = 0;

end

error_num = sprintf('# Error: %d', error);

msg = strcat([msg; {error_num}]); % append the error message to msg

if error == 0

app.ShipSpecificationButton.BackgroundColor = [0.93,0.69,0.13];

elseif error >= 0

msgbox(msg, 'Error in Ship Specification Parameters', 'error', 'modal');

app.ShipSpecificationButton.BackgroundColor = [1.00,0.00,0.00];

end

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Othman Alkandri 2023-5-12

the ; and [{}] made it work for me thank you

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Answer 2

Sulaymon Eshkabilov 2023-5-10

0
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1961134-how-to-make-the-error-below-each-other-in-the-text-box#answer_1232629

在 MATLAB Online 中打开

Here is how I would do (see my some arbitrary numerical values for display):

msg_V_breadth_min = sprintf('#2 Error Loading Parameter V-breadth-min: %f \n', pi);

error_num = sprintf('#1 Error: %f \n %s \n %s \n', [pi, date, date]);

msg = error_num; % Dont use strcat!!! to append the error message to msg

msg = strcat([msg, msg_V_breadth_min]);

msgbox(msg, 'Error in Ship Specification Parameters', 'error', 'modal');

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Othman Alkandri 2023-5-11

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thank you a lot, I tired the flowing didn't work for me. Do you see what I am missing?

 msg = ' '
error =0 ;
if V_breadth_min_check == 0
    msg_V_breadth_min = sprintf('Error Loading Parameter V-breadth-min: %f \n %s \n %s \n', app.V_breadth_min);
    msg = strcat([msg, msg_V_breadth_min]); % append the error message to msg
    error = error + 1;
    app.V_breadth_min = 0;
end
%V_breadth_max_check
if V_breadth_max_check == 0
    msg_V_breadth_max = sprintf('Error Loading Parameter V-breadth-max: %f \n %s \n %s \n', app.V_breadth_max_check);
    msg = strcat([msg, msg_V_breadth_max]); % append the error message to msg
    error = error + 1;
    app.V_breadth_max = 0;
end
    error_num = sprintf('# Error: %d \n %s \n %s \n', error);
    msg = strcat([msg, error_num]); % append the error message to msg
% error is used as a flag to see it three is any
% uploaded value vilotated the value range or type condution
if error == 0
    %msgbox(msg_load, 'Ship Specification Parameters is Loaded');
    app.ShipSpecificationButton.BackgroundColor = [0.93,0.69,0.13];
elseif error >= 0
    msgbox(msg, 'Error in Ship Specification Parameters', 'error', 'modal');
    app.ShipSpecificationButton.BackgroundColor = [1.00,0.00,0.00];
end  