whats wrong in the for loop in my app?

classdef visualiseringsapp2_1 < matlab.apps.AppBase % Properties that correspond to app components properties (Access = public) UIFigure matlab.ui.Figure UITable matlab.ui.control.Table OsmoticdataresultsforallzonesLabel matlab.ui.control.Label ReadresultsLabel matlab.ui.control.Label Switch matlab.ui.control.Switch UIAxes matlab.ui.control.UIAxes end properties (Access = public) Callingapp end methods (Access = private) % Code that executes after component creation function startupFcn(app, app2, app3) app.Callingapp = app3; end % Value changed function: Switch function SwitchValueChanged(app, event) value = app.Switch.Value; if strcmpi(value,'on') osmotic_data_table=readtable('Osmotic_data.xls', "Sheet", 1); app.UITable.Data=osmotic_data_table; app.UITable.ColumnName= osmotic_data_table.Properties.VariableNames; x=table2array( osmotic_data_table(:,"Total_water_activity")); y=table2array( osmotic_data_table(:,"Osmotic_pressure")); plot(app.UIAxes,x,y) end for i = 1:app.Callingapp.antall_soner if Osmotic_pressure(i)<100 effect='Not benefical'; elseif Osmotic_pressure(i)>=100&&Osmotic_pressure(i)<120 effect='Intermediate'; else effect='Benefical'; end end app.UITable.Data=[osmotic_data_table effect]; end end % App initialization and construction methods (Access = private) % Create UIFigure and components function createComponents(app) % Create UIFigure app.UIFigure = uifigure; app.UIFigure.Position = [100 100 640 480]; app.UIFigure.Name = 'UI Figure'; % Create UITable app.UITable = uitable(app.UIFigure); app.UITable.ColumnName = {'Column 1'; 'Column 2'; 'Column 3'; 'Column 4'}; app.UITable.RowName = {}; app.UITable.Position = [15 254 426 185]; % Create OsmoticdataresultsforallzonesLabel app.OsmoticdataresultsforallzonesLabel = uilabel(app.UIFigure); app.OsmoticdataresultsforallzonesLabel.BackgroundColor = [0 1 1]; app.OsmoticdataresultsforallzonesLabel.FontWeight = 'bold'; app.OsmoticdataresultsforallzonesLabel.Position = [15 450 426 22]; app.OsmoticdataresultsforallzonesLabel.Text = ' Osmotic data results for all zones'; % Create ReadresultsLabel app.ReadresultsLabel = uilabel(app.UIFigure); app.ReadresultsLabel.FontWeight = 'bold'; app.ReadresultsLabel.Position = [121 215 78 22]; app.ReadresultsLabel.Text = 'Read results'; % Create Switch app.Switch = uiswitch(app.UIFigure, 'slider'); app.Switch.ValueChangedFcn = createCallbackFcn(app, @SwitchValueChanged, true); app.Switch.Position = [242 217 45 20]; % Create UIAxes app.UIAxes = uiaxes(app.UIFigure); title(app.UIAxes, 'Total water activity versus osmotic pressure') xlabel(app.UIAxes, 'Activity') ylabel(app.UIAxes, 'Osmotic_ pressure') app.UIAxes.YTickLabel = {'0'; '50'; '100'; '150'; '200'; '250'; '300'; '350'; '400'; '450'; '.500'; '1'}; app.UIAxes.XGrid = 'on'; app.UIAxes.YGrid = 'on'; app.UIAxes.Position = [15 10 426 185]; end end methods (Access = public) % Construct app function app = visualiseringsapp2_1(varargin) % Create and configure components createComponents(app) % Register the app with App Designer registerApp(app, app.UIFigure) % Execute the startup function runStartupFcn(app, @(app)startupFcn(app, varargin{:})) if nargout == 0 clear app end end % Code that executes before app deletion function delete(app) % Delete UIFigure when app is deleted delete(app.UIFigure) end end end