![RicciRotation[PDpolar, cartesian][a, -b, -c]](../HTMLFiles/xCobaDoc.nb_636.gif){kind=small}
3.1. Ricci rotation coefficients
Ricci rotation coefficients are not supported, because they do not add any new information. xCoba` limits itself to converting RicciRotation[covd,basis] into Christoffel[covd, PDofBasis[basis]].
In[226]:=
Out[226]=
![-Γ[, ] _ ( bc)^a](../HTMLFiles/xCobaDoc.nb_637.gif){kind=small}
In[227]:=
![RicciRotation[PDcartesian][a, -b, -c]](../HTMLFiles/xCobaDoc.nb_638.gif){kind=small}
Out[227]=
![Γ[] _ ( bc)^a](../HTMLFiles/xCobaDoc.nb_639.gif){kind=small}
| Created by Mathematica (May 16, 2008) |  |