MATLAB: How to show the legend of a symbolic function while plotting its graph? I have a created a symbolic function by running the code and i am plotting it as well, but i wanted to show the calculated function also in its plot. How to resolve this issue

MATLAB

I am plotting several functions in one graph using

hold on

and to show the legend is am using

legend('show')

but it only shows this

not its values.

Please help me with this?

Best Answer

use fplot to plot the expression.

Check out the Analytical Plotting with Symbolic Math Toolbox for more details.

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MATLAB: Nested Function Issue

I solved my own problem, go me!

   function maingps
      bg1 = uibuttongroup ('Visible', 'on');
      bg1.Position = [.35 .45 .15 .275];
      gpxbutton = uicontrol('Style', 'radio', 'String', 'gpx', 'Position',[200 275 50 30]);
      csvbutton = uicontrol('Style', 'radio', 'String', 'csv', 'Position',[200 250 50 30]);
      excelbutton = uicontrol('Style', 'radio', 'String', 'excel', 'Position',[200 225 50 30]);
      kmlbutton = uicontrol('Style', 'radio', 'String', 'kml','Position',[200 200 50 30]);
      end
      function uibuttongroup1_SelectionChangedFcn(hObject, eventdata, handles)
      % hObject    handle to the selected object in uibuttongroup1 
      % eventdata  structure with the following fields
      %  EventName: string 'SelectionChanged' (read only)
      %  OldValue: handle of the previously selected object or empty
      %  NewValue: handle of the currently selected object
      % handles    structure with handles and user data (see GUIDATA)
      switch get(eventdata.NewValue,'Tag') % Get Tag of selected object.
          case 'radiobutton1'
              display('Radio button 1');
          case 'radiobutton2'
              display('Radio button 2');
          case 'togglebutton1'
              display('Toggle button 1');
          case 'togglebutton2'
              display('Toggle button 2');
      end
      end

thanks

MATLAB: Show derivatives vector on a plot.

Just use arrow or arrow3 with start-point at the corresponding point and end [dx,dy] away.

arrow function on the FEX

arrow3 function on the FEX

Best Answer

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MATLAB: Nested Function Issue

MATLAB: Show derivatives vector on a plot.

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