why can't cadabra find cdb.sympy.calculus?

Question

Running only the below produces no result ex := x+y; diff( ex, $y$ );

try to import

from cdb.sympy.calculus import diff ex := x+y; diff( ex, $y$ );

produces...

from cdb.sympy.calculus import diff

ModuleNotFoundError: No module named 'cdb.sympy.calculus'

Answer 1

Similar issue to your other question: upgrade to a more recent version.

Comments

Thanks again for speedy reply. I was loathed to contact you again but I don't see what more I can do.

The download page has no link but states:

"Cadabra is now available in Debian 11 (Bullseye) from the official repositories, by installing the cadabra2 package (though this may not always be the most recent version). Thanks to Alex Myczko for making this happen."

I used synaptic to obtain cadabra2

dpkg -s cadabra2 | grep '^Version:' Version: 2.3.6.8-1

Is there another repository I should be using.

---

working now! But it should not be!

Very peculiar.

Its a long and convoluted story. Now I must sleep. Thank you for your attention and consideration.