# Axiom Computer Algebra System - Bugs: bug #9218, problems with output of D

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# bug #9218: problems with output of D

Follows 1 latest change.

Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|

2008-11-25 | axiom | Internal cause | I think, the real internal cause is that axiom assumes that everything can be nicely differentiated, thus not providing a possibility of returning an unevaluated differential operator...
Also consider:
(13) -> D(f(x,x),x)
(13) f (x,x) + f (x,x)
,2 ,1
Type: Expression Integer
(which is correct) |
I think, the *real* internal cause is that axiom assumes that everything can be nicely differentiated, thus not providing a possibility of returning an unevaluated differential operator... Also consider: (13) -> D(f(x,x),x) (13) f (x,x) + f (x,x) ,2 ,1 Type: Expression Integer (which is correct) |