fwiw, I can reproduce this. $ apt-get install octave-symbolic ... $ octave GNU Octave, version 3.0.1 Copyright (C) 2008 John W. Eaton and others. This is free software; see the source code for copying conditions. There is ABSOLUTELY NO WARRANTY; not even for MERCHANTIBILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, type `warranty'.
Octave was configured for "i486-pc-linux-gnu". Additional information about Octave is available at http://www.octave.org. Please contribute if you find this software useful. For more information, visit http://www.octave.org/help-wanted.html Report bugs to <b...@octave.org> (but first, please read http://www.octave.org/bugs.html to learn how to write a helpful report). For information about changes from previous versions, type `news'. octave:1> x = sym("x") x = x octave:2> x+2 error: T& Array<T>::checkelem (0, -1, 2): range error error: binary operator `+' not implemented for `ex' by `scalar' operations error: evaluating binary operator `+' near line 2, column 3 octave:2> Sin(x) error: Internal error: statement in file ./real/elem/cl_R_mul.cc, line 93 has been reached!! Please send the authors of the program a description how you produced this error! -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org