Very strange situation. By some reason the questdlg() does not work within a function:

Very strange situation. By some reason the questdlg() does not work within a function:

function = Heat_Test()

answer = questdlg('quest')

end

Got result:

>> Heat_Test()

Error: File: Heat_Test.m Line: 1 Column: 11

Incorrect use of '=' operator. To assign a value to a variable, use '='. To compare values for equality, use '=='.

Outside the function works normally

[Stephen23]

"Very strange situation."

Not very strange at all, your function syntax is incorrect:

function  = Heat_Test()
%       ^^

Answer 1

[Henry Giddens]

Your function definition is wrong. Try

function answer = Heat_Test()
answer = questdlg('quest')
end