MATLAB: Display warning only if the “if “statement is not satisfied

if statement

Hi,
I want to create an if statement that will warn me ONLY if the “if “ is NOT satisfied
I tried initially,
if qs1==q2 | qs1==q3
'OK '
 else
     'Not ok'
    End
But this expression displays also “ok” if the if statement is satisfied. I want to get ONLY the warning “not ok” if the “if” statement is NOT satisfied.
If the if statement is satisfied then I do not want to display “ok”
thanks

Best Answer

 if ~(qs1==q2 | qs1==q3)
 'Not ok'
  end
%If u do not like above 1 do this:
 if qs1==q2 | qs1==q3
 else
 'Not ok'
 end
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