MATLAB: What does the “Reference to non-existent field” error message mean

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I am investigating why China has inflation, and we Indian students are trying to understand it. The China data we got, and inflation perform in China. So we can take precaution for our county in India too.
I am getting this error and I am not aware that why I am getting such an error. Can anyone guide me please ?

Best Answer

Input.T_11 is defined in Main.m. Main.m calls Func_Task_11.m but does not pass Input to Func_Task_11() so when you get inside Func_Task_11, the Input variable is not in scope. Remember each function has it's own workspace separate from the others. If you want input in Func_Task_11(), you need to pass it in
In Main.m:
Func_Task_11(Input);
In Func_Task_11.m
function Func_Task_11(Input)
as the first line.
Also, do not use eps as a variable name - it's a built-in function.
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