Export the data into an excel different coloumns and also add the image into the excel file in a different sheet of the input sheet.

I am selecting an excel file for input and storing the name.

properties (Access = private)
        RPS = 2*pi/60;
        EM_Max_Spd_F; 
        EM_Base_Spd_F; 
        EM_Max_Trq_Cont_F;
         file;
         EM_Spd_F;
         EM_Trq_Cont_F;
         EM_Pwr_Cont_F;
         


    end
    

    % Callbacks that handle component events
    methods (Access = private)

        % Code that executes after component creation
        function startupFcn(app)
          [app.file,filepath]= uigetfile('*.xlsx');
          if isequal(app.file,0)
              msgbox('Please Input an Excel File')
          else
          filename = fullfile(filepath,app.file);
          t= readcell(filename,'Sheet','Input','Range','H2:H8');
          end
          tmat = cell2mat(t);
          app.EM_Max_Trq_Cont_FNmEditField.Value = tmat(1);
          app.EM_Base_Spd_FRPMEditField.Value =tmat(2);
          app.EM_Max_Spd_FRPMEditField.Value =tmat(3);
          app.EM_Max_Trq_Cont_RNmEditField.Value= tmat(5);
          app.EM_Base_Spd_RRPMEditField.Value = tmat(6);
          app.EM_Max_Spd_RRPMEditField.Value = tmat(7);
          app.FileNameEditField.Value = app.file;

         app.EM_Max_Trq_Cont_F =  app.EM_Max_Trq_Cont_FNmEditField.Value;
          app.EM_Base_Spd_F = app.EM_Base_Spd_FRPMEditField.Value ;
         app.EM_Max_Spd_F =  app.EM_Max_Spd_FRPMEditField.Value;
          
      
        end

        % Button pushed function: PlotButton
        function PlotButtonPushed(app, event)
         
           app.EM_Spd_F = 0:500:app.EM_Max_Spd_F;
            app.EM_Trq_Cont_F    = zeros(1,length(app.EM_Spd_F));
            app.EM_Pwr_Cont_F    =zeros(1,length(app.EM_Spd_F));
            EM_Max_Pwr_Cont_F = (app.EM_Base_Spd_F*app.RPS*app.EM_Max_Trq_Cont_F)/1000;
            for i= 1:length(app.EM_Spd_F)
                if app.EM_Spd_F(i) <=(app.EM_Base_Spd_F)
                    app.EM_Trq_Cont_F(i) = app.EM_Max_Trq_Cont_F;
                    app.EM_Pwr_Cont_F(i) = app.EM_Trq_Cont_F(i)*app.EM_Spd_F(i)*app.RPS/1000;
                else
                    app.EM_Trq_Cont_F(i)= EM_Max_Pwr_Cont_F*1000/(app.EM_Spd_F(i)*app.RPS);
                    app.EM_Pwr_Cont_F(i) = EM_Max_Pwr_Cont_F;
                end
            end
           
           plot(app.UIAxes,app.EM_Spd_F,app.EM_Trq_Cont_F,"DisplayName","Front Motor Torque","LineWidth",3);
           yyaxis (app.UIAxes ,'left')
           text(app.UIAxes,app.EM_Base_Spd_F,app.EM_Max_Trq_Cont_F,'Base Speed','Color','red','FontSize',8);
           val = app.EM_Trq_Cont_F;
           last_ele =val(end);
           text(app.UIAxes,app.EM_Max_Spd_F,last_ele,'No Load Speed','Color','red','Fontsize',8);
           grid on
           xlabel (app.UIAxes,"Motor Speed (RPM)");
           ylabel (app.UIAxes,"Motor Torque (Nm)");
             yyaxis (app.UIAxes ,'right')
           plot(app.UIAxes,app.EM_Spd_F,app.EM_Pwr_Cont_F,"DisplayName","Front Motor Power");
           ylabel (app.UIAxes,"Motor Power (Nm)")
           legend;
        end

I want to export the data for the Motor speed , Motor Torque and Motor power into the different sheet of the input sheet i loaded but i am able to get the data in excel but its all in one single line i want it to be in a table format.

        % Button pushed function: ExportButton
        function ExportButtonPushed(app, event)
           
            t= table{(app.EM_Spd_F,app.EM_Trq_Cont_F,app.EM_Pwr_Cont_F)};
           app.UITable.Data = t;
            writetable(app.UITable.Data,'output.xlsx','WriteRownames',t

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Answer 1

[Divyanshu]

Hi Santhosh,

I have taken some sample data for three variables of app ‘speed’, ‘power’ and ‘torque’ all with same size. And in the callback attached to export button of app I have created a table using these three vectors.

Here is the code snippet for same:

methods (Access = private)
    % Code that executes after component creation
    function loadData(app)
        app.speed = [2 3 4 5 6 7]';
        app.torque = [1 4 5 2 8 9]';
        app.power = [10 20 11 23 34 45]';
    end

    % Button pushed function: Button
    function exportFunc(app, event)
        t = table(app.speed,app.power,app.torque,'VariableNames',["speed" "power" "torque"]);
        writetable(t,"output.xlsx",'WriteVariableNames',true);
    end
end

Feel free to modify the values of various properties of both ‘table’ & ‘writetable’ function according to your use case. Please refer the following documentation for more information:

Table array with named variables that can contain different types - MATLAB (mathworks.com)

Write table to file - MATLAB writetable (mathworks.com)