How can I remove Input Variable Not Used Warning?

I used the following function to save curve fit results. I get a warning that fitresult and gof input variables are not used. If I replace these with ~ the function will not work. How can I silence the warning? I am using MATLAB R2014a. Thanks.

 function SaveCurveFit(option, fitresult, gof)
 switch option
     case 1   % North Region
         save ('NorthDailyFit','fitresult','gof');
     case 2   % Central Region
         save ('CentralDailyFit','fitresult','gof');
     case 3   % South Region
         save ('SouthDailyFit','fitresult','gof');
 end;
 end;

Answer 1

[Robert Cumming]

right click on the function statement line (1) and select the

"Suppress "input argument.... " On this line.

i.e. you will get this:

 function SaveCurveFit(option, fitresult, gof) %#ok<INUSD>

Answer 2

[Ben11]

If you want to disable all warnings you might want to use this line:

warning('off','all');

But Robert's answer does seem more specific to your function.

Answer 3

[Image Analyst]

See this function I wrote to turn off common errors. Read the instructions in the comments to add any warnings you want.

function TurnOffWarnings
  try
    % To set the warning state, you must first know the message identifier for the one warning you want to enable. 
    % Query the last warning to acquire the identifier.  For example: 
    % warnStruct = warning('query', 'last')
    % messageID = warnStruct.identifier
    % messageID =
    %    MATLAB:concatenation:integerInteraction
    
    % Turn off this warning "Warning: Image is too big to fit on screen; displaying at 33% "
    warning('off', 'Images:initSize:adjustingMag');
    
    % Get rid of warning about roipolyold being deprecated: 
    % "Warning: Function ROIPOLYOLD will be removed in the future. Use ROIPOLY instead"
    warning('off', 'images:removing:function');
    
    % Get rid of warning about directory already existing: 
    % "Warning: Directory already exists."
    warning('off', 'MATLAB:MKDIR:DirectoryExists');

    % Turn off note "Warning: Added specified worksheet." that appears in the command window.
    warning('off', 'MATLAB:xlswrite:AddSheet');
  catch ME
    errorMessage = sprintf('Error in function %s() at line %d.\nDo you have the file already open in Excel?\nPlease check that the file is not open anywhere.\n\nError Message:\n%s', ...
      ME.stack(1).name, ME.stack(1).line, ME.message);
    fprintf(1, '%s\n', errorMessage);
    WarnUser(errorMessage);
  end
  return; % from TurnOffWarnings