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i which library can i find those two functions (h-plane and e-plane) ?

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Mouzah Aldossary
Mouzah Aldossary on 7 May 2021
Edited: John D'Errico on 7 May 2021
i which library can i find those two functions (h-plane and e-plane) ?
  1 Comment
DGM
DGM on 7 May 2021
Are you sure that's what they're called? Functions can't have a '-' in the name, otherwise it would get interpreted as e minus plane(). Where did you find a reference to these?

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Answers (1)

John D'Errico
John D'Errico on 7 May 2021
Edited: John D'Errico on 7 May 2021
There is NO such library, because those are not legal function names in MATLAB. A dash is not legal in a name, in a function OR in a variable. MATLAB will try to interpret that as a subtraction of two terms, and then look for functions or variables named h and plane, wanting to subtract one from the other.
Perhaps you were told to use functions with an underscore in the name, thus h_plane and e_plane. This is a not uncommon way to name functions or variables. However...
help h_plane
h_plane not found. Use the Help browser search field to search the documentation, or type "help help" for help command options, such as help for methods.
help e_plane
e_plane not found. Use the Help browser search field to search the documentation, or type "help help" for help command options, such as help for methods.
But as you see, those are not functions that any toolbox in MATLAB provides, and they are not part of MATLAB itself.
So it is possible they are part of some toolbox that your teacher provides, or a colleague. In that case, talk to them.

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