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Why do I get error when running a generated Function reaching a certain code where that certain code runs fine outside of the Function (R2011a)?

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Salah
Salah 2013-10-21
关闭： MATLAB Answer Bot 2021-8-20
Hello,
I have generated a function which contains the following scripts:
f=-fnval(spline,[nodes.x(nodes.topnodes) nodes.y(nodes.topnodes)]');
when I run the function, I get an error saying that '' Input argument "x" is undefined'', where the same script without changing anything runs outside of the function.
The question is, if the scripts runs using the F9 key (or step by step) then why it doesn't run when running the whole function?
Do you have any idea why?
Thanks
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dpb
dpb 2013-10-21
Need to see how the function is actually defined and called -- sounds like it's a case of turning a script into a function and not passing all the required inputs whereas the script uses existing variables in the workspace the function needs local copies which are only obtainable by being arguments in the function definition and then corresponding values passed when called.

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