Package: open-axiom
Version: 1.4.1+svn~2626-2
Severity: normal

Dear Maintainer,

as a sidenote I stumpled over the version number
Version: OpenAxiom 1.5.0-2012-02-03
when I believed I have installed open-axiom 1.4.1+svn~2626-2

Anyway, following http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=706309
I tried these examples also on open-axiom:

(1) -> p(0) == 1
                                                                   Type: Void
(2) -> p(1) == x
                                                                   Type: Void
(3) -> p(n) == ((2*n-1)*x*p(n-1) - (n-1) * p(n-2))/n
                                                                   Type: Void
(4) -> p(10)
   Compiling function p with type Integer -> Polynomial Fraction
      Integer

        46189  10   109395  8   45045  6   15015  4   3465  2    63
   (4)  ----- x   - ------ x  + ----- x  - ----- x  + ---- x  - ---
         256          256        128        128        256      256
                                            Type: Polynomial Fraction Integer

So far so good, now I typed

(5) -> coefficient(p(90),x,90)

and this resulted in
  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND
19239 edi       20   0 1046m 115m  21m R  99,6 11,6   0:45.43 AXIOMsys

I killed the process "AXOMsys" after awhile :(

I crosschecked with
Version: FriCAS 1.2.0
and the computation of the coefficient there takes less a second:
(5) -> coefficient(p(90),x,90)

        5688265542052017822223458237426581853561497449095175
   (5)  ----------------------------------------------------
                     77371252455336267181195264
                                          Type: Polynomial(Fraction(Integer))


Thank you very much.

Regards,
Edi



-- System Information:
Debian Release: 7.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages open-axiom depends on:
ii  libc6                 2.13-38
ii  libgcc1               1:4.7.2-5
ii  libstdc++6            4.7.2-5
ii  open-axiom-databases  1.4.1+svn~2626-2
ii  zlib1g                1:1.2.7.dfsg-13

Versions of packages open-axiom recommends:
ii  open-axiom-graphics  1.4.1+svn~2626-2
ii  open-axiom-hypertex  1.4.1+svn~2626-2
pn  open-axiom-source    <none>

Versions of packages open-axiom suggests:
ii  open-axiom-test  1.4.1+svn~2626-2
ii  open-axiom-tex   1.4.1+svn~2626-2
ii  texmacs          1:1.0.7.18-1

-- no debconf information


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