Variables
Return true if NAME is a valid variable name
Create unique variable(s) from STR.
Returns the matlab compatible maximum variable name length.
Return 1 if NAME is globally visible.
List currently defined symbols matching the given patterns.
See who.
Query or set the format string used by the `whos'.
Return 1 if the name exists as a variable, 2 if the name is an absolute
file name, an ordinary file in Octave's `path', or (after appending
`.
Delete the names matching the given patterns from the symbol table.
document
Not implemented.
Display the definition of each NAME that refers to a function.
Display the type of each NAME.