From bug-octave-request at bevo dot che dot wisc dot edu  Tue Oct 24 18:36:06 1995
Subject: error in assignment of multivalued functions
From: John Eaton <jwe at bevo dot che dot wisc dot edu>
To: Ferdinand Schinagl <ferdi at roentgen dot hlphys dot uni-linz dot ac dot at>
Cc: bug-octave at bevo dot che dot wisc dot edu
Date: Tue, 24 Oct 1995 18:36:06 -0500

Ferdinand Schinagl <ferdi at roentgen dot hlphys dot uni-linz dot ac dot at> wrote:

: I'm using actual (v1.1.1) binary distributions of octave:
: 
:   i486-linux
:   hppa1.1-hp-hpux9.01
: 
: and both versions produce the error message,
: 
: a = 1
: error: element number 2 undefined in return list
: error: evaluating assignment expression near line 2, column 8
: 
: when I try to evaluate:
: 
: octave:1> function [x,y,z]=f()
: > x=1;
: > z=2;
: > end
: 
: octave:2> [a,b,c]=f()
: 
: This code is said (see the documentation) to produce:
: 
: a = 1
: b = [](0x0)
: c = 2

It should work as you expect if you set the built-in variable
define_all_return_values to "true".  (I've added this to the list of
things to fix in the docs).

Thanks,

jwe