[Octave-bug-tracker] [bug #51582] arrayfun with @isa

[Ernst Reissner]

URL:
  <http://savannah.gnu.org/bugs/?51582>

                 Summary: arrayfun with @isa
                 Project: GNU Octave
            Submitted by: ernstreissner
            Submitted on: Wed 26 Jul 2017 10:55:53 AM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

arrayfun(@isa, [1 2 3], ["numeric" "float" "integer"])
yields 
error: arrayfun: dimensions mismatch
although i would expect invoking 
isa(1,"numeric") and so on. 

Hint: 
If I use my own class overwriting isa, calling 
arrayfun(@isa, [pn(), pn(), pn()], ["numeric" "float" "integer"])
I obtain 
error: 'classname' undefined near line 51 column 10
and it seems as if arrayfun would call isa without second argument. 





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