cmetric() (in ctensor package) does not compute the inverse metric in the non-diagonal case
You are using a version of Maxima in which the matrix inversion code was broken (unrelated...
Eliminate spurious redefinition of derivabbrev ...
Merge branch 'master' of ssh://git.code.sf.net/...
different results on same code
The ctensor code redefines derivabbrev. Afterwards, wxMaxima's kill(all) deletes...
diagmatrixp missing argument
Looks like a documentation error. The diagmatrixp() function expects a second argument,...
line element from metric tensor
Here is one way to do the line element (not sure how useful it is, but it does what...
cmetric unable to calculate ug
I committed a fix to the Maxima repository that resolves this issue. It will be available...
Fixed matrix inversion when detout is true
Merge branch 'master' of ssh://git.code.sf.net/...
cmetric unable to calculate ug
Actually, this seems to be a much more serious problem that has nothing to do with...
Daniel, You can download the latest itensor.lisp by browsing the git repository on...
diff after load(itensor)
This was indeed a side effect of the fact that itensor has its own version of diff...
Allow itensor's diff to work on lists
Minor fixes to two tensor demos, fix dumb gnuplot
diff after load(itensor)
This behavior is by design. There is no attempt to differentiate indexed (tensor)...
COVDIFF fix for new tensor notation