Info Catalog
octave: Missing Data
octave: Built-in Data Types
octave: Data Structure Objects
3.1.3 String Objects
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A character string in Octave consists of a sequence of characters
enclosed in either double-quote or single-quote marks. Internally,
Octave currently stores strings as matrices of characters. All the
indexing operations that work for matrix objects also work for strings.
Strings, for more information.