Paul Gunnells on Fri, 25 Feb 2000 10:25:17 -0500


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bug in matdet?


Hi,

I'm new to this list, so I apologize if this is a well-known bug.  I
just found it minutes ago.  I'm running GP-PARI version

                    GP/PARI CALCULATOR Version 2.0.16 (beta)
                i686 running linux (ix86 kernel) 32-bit version
                (readline v4.0 enabled, extended help available)

on

Linux cpw 2.2.14pre17 #1 SMP Wed Dec 29 17:54:24 EST 1999 i686 unknown

Here's the bug:

? m=[2,1,4;0,0,-1;1,1,4]
%1 = 
[2 1 4]

[0 0 -1]

[1 1 4]

? matdet(m)
%2 = 1
? matdet(m~)
%3 = 2
? \q
Good bye!


Paul Gunnells