Someday I hope to expand this to include a complete description of Octave’s mechanism for managing user-defined data types. Until this feature is documented here, you will have to make do by reading the code in the ov.h, ops.h, and related files from Octave’s src directory.
© 1996–2018 John W. Eaton
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https://octave.org/doc/interpreter/User_002ddefined-Data-Types.html