MATLAB sometimes thinks the keyword "ans" refers to a a file
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When I try to use certain functions on the keyword ans in the Command Window I'm getting the following error, along with some example context:
theta3D =
(5*cos((pi*theta2)/180))/(16*(1 - (25*sin((theta2*pi)/180)^2)/256)^(1/2))
>> latex(ans)
Execution of script ans as a function is not supported:
C:\Program Files\MATLAB\R2023a\toolbox\matlab\lang\ans.m
It appears that MATLAB is trying to reference a file but I'm not sure why this has started happening recently. The folder \toolbox\matlab\lang\ is in the path when I use the path keyword. I don't want to delete the file since it's part of the program files, but is there a way to override this so I can refer to ans in the Command Window again?
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Steven Lord
2024-2-16
If there's no variable named ans in the workspace, MATLAB would try to call the ans.m script file that contains the help text related to using ans.
which -all ans
type ans.m
But calling it with an output (as you did by calling it to create the input to the latex function or as I'm doing below by calling it to create the first input to the plus function) won't work.
ans+1
For what you wrote, the symbolic expression is stored in a variable named theta3D. So you'd want to call latex on that symbolic expression, not ans.
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