how do i change subfunctions to a switch

hi im working on a code which has muliple subfunctions

function main
    question 1
    calls function 1 

    quesion 2    
    calls function 2 

    question 3
    calls function 3

end

function 1 ()
end
function 2 ()
end 
function 3 ()
end

question: how do i combine the last three functions to a switch such that when i input the question number it solves the particular question?

Answer 1

[Thorsten]

switch question 
case 1
  % code of function 1
case 2
  % code of function 2
case 3 
  % code of function 3
otherwise 
  error('Wrong number, must be 1, 2, or 3.')
end

[Thorsten]

Just put the code in the main function.

[Walter Roberson]

function main
    question 1
    entire code for function 1 excluding the "function" header and "end" 
    quesion 2    
    entire code for function 2 excluding the "function" header and "end"
    question 3
    entire code for function 3 excluding the "function" header and "end"
end