fix Matrix.trace()
tree0a840b8863d6e29681c64584a5bea9d2c9e82e89
-rw-r--r-- 1503 LICENSE
-rw-r--r-- 139 MANIFEST.in
-rw-r--r-- 2966 README
-rw-r--r-- 189 TODO
drwxr-xr-x - bin
drwxr-xr-x - doc
drwxr-xr-x - examples
-rwxr-xr-x 7912 setup.py
drwxr-xr-x - sympy