Physics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002nmgm.meet.1701k&link_type=abstract
"THE NINTH MARCEL GROSSMANN MEETING On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and R
Physics
Scientific paper
This communication presents developments done after the previous published description. The following new programs exist now:
Calculating the kinematic tensors of the flow and their evolution equations.
Calculating the curvature tensor corresponding to given connection coefficients in any number of dimensions.
Calculating the Lagrangian for a given metric by the Landau-Lifshitz prescription.
Calculating the Euler-Lagrange equations from a given Lagrangian.
Verifying first integrals for sets of ordinary differential equations of second order.
Factoring out a given factor F in intermediate expressions.
Conveniences.
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