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Function not recognising output

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Holden Earl
Holden Earl 2020-5-8
回答： Walter Roberson 2020-5-8
i am trying to make a user defined function for a unit converter in app designer. i have set up my code but when i run it the output ('num') says it is not recognised even though i have stated it is the output in the first line, do i need to do something else to this variable that i am missing? this is my code
function num = convert_func(x,conversion)
if conversion == 1
num = x/0.4536;
elseif conversion ==2
num = x*0.4536;
end
i also get this error message in app designer
Output argument "num" (and maybe others) not assigned during call to "convert_func"

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回答（1 个）

Walter Roberson
Walter Roberson 2020-5-8
conversion is something other than 1 or 2, or else it is non-scalar and has both values

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