Package: maxima
Version: 5.21.1-2
Severity: wishlist
Tags: upstream

When I try using the command solve to solve for a certain variable in a 4th 
order equation, it can't do it. However If I give it some help and square both 
sides of the equation then it is able to do it. Here is the procedure:

eq1 : w = w0 * sqrt( 1 + ( z / ( %pi * w0^2 / %lambda ) )^2 );
solve( eq1 , w0 );
...This leads to a useless answer

eq2 : eq1^2;
solve( eq2 , w0 );
...Solves the equation just fine displaying its 4 roots.

-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (990, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages maxima depends on:
ii  gnuplot-x11             4.4.0-1          A command-line driven interactive 
ii  libc6                   2.11.2-5         Embedded GNU C Library: Shared lib
ii  libgmp3c2               2:4.3.2+dfsg-1   Multiprecision arithmetic library
ii  libreadline6            6.1-3            GNU readline and history libraries
ii  libx11-6                2:1.3.3-3        X11 client-side library
ii  zlib1g                  1:1.2.3.4.dfsg-3 compression library - runtime

Versions of packages maxima recommends:
ii  gv                            1:3.7.1-1  PostScript and PDF viewer for X
pn  maxima-emacs                  <none>     (no description available)
ii  maxima-share                  5.21.1-2   A computer algebra system -- extra

Versions of packages maxima suggests:
ii  maxima-doc                    5.21.1-2   A computer algebra system -- docum
pn  texmacs                       <none>     (no description available)
ii  tk8.4 [wish]                  8.4.19-4   Tk toolkit for Tcl and X11, v8.4 -
ii  tk8.5 [wish]                  8.5.8-1    Tk toolkit for Tcl and X11, v8.5 -

-- no debconf information



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