Cannot find builtin function 'waitbar'

2020 12 6
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更新时间：2020 12 6
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Hi,
I am calling builtin fucntion to run waitbar in R2017b but got an error:
Cannot find builtin function 'waitbar'.
Is waitbar function not supported by builtin?
Thanks.

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Ameer Hamza
Ameer Hamza 2020-12-6
Can you show the output of
which waitbar -all
raym
raym 2020-12-6
E:\Program Files\MATLAB\R2017b\toolbox\matlab\uitools\waitbar.m
raym
raym 2020-12-6
The document says that built-in function is not written in m language but only a description in m file. So the waitbar seems not to be a built-in fucntion.
Ameer Hamza
Ameer Hamza 2020-12-6
How are you calling waitbar in your code?

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 采纳的回答

Steven Lord
Steven Lord 2020-12-6
Ran in:

0 个投票

Ran in:
The builtin function is intended to call built-in functions, not functions implemented by MathWorks as function files with the .m or .mlx extensions. The waitbar function is implemented as a .m file. Compare with:
builtin('sin', pi) % sin is a built-in function, its sin.m is help text only
ans = 1.2246e-16
builtin('why') % why is implemented in the file why.m
Cannot find builtin function 'why'

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