Non-constant expression or empty matrix .This expression must be constant because its value determines the size or class of some expression

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Jeevan Kulal
Jeevan Kulal 2022-2-1
编辑： Jeevan Kulal 2022-2-2
function I am going to convert from .m to .c file using matlab coder while doing it so i am getting error in
this line of below shown code i.e fieldName = char(theFields(match))% case-sensitive field name
code :

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Walter Roberson
Walter Roberson 2022-2-1
theParam = model.(fieldName);
That struct potentially have a different type for each field, so the type of theParam is not fixed, and so cannot be compiled for.
If you were to initialize theParam to a fixed size and type then possibly you could get further.
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Jeevan Kulal
Jeevan Kulal 2022-2-1
编辑：Jeevan Kulal 2022-2-2
function theParam = getParamESC(paramName,temp,model)
theParam = zeros(1,1,"double");
.....further code
i have initialized as shown above, but still getting the same error.

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