compute the Jacobian and its inverse of a coordinate transformation
compute the Lie derivative of a tensor with respect to a contravariant vector field
perform an action on either a tensor_type, a spin coefficient table and curvature component table
compare two objects each of which can be a tensor_type, spin coefficient table or a curvature component table.
complex conjugation of expressions involving complex unknowns
compute the covariant components of the connection coefficients in a rigid frame
convert the connection coefficients or the Riemann tensor into Newman-Penrose formalism
compute the first partial derivatives of the covariant metric tensor components
compute the second partial derivatives of the covariant metric tensor components
display the nonzero components of a specific general relativity tensor
perform the dual operation on the indices of a tensor
facility for user input of coordinate variables and covariant metric tensor components.
Compute the exterior derivative of a completely anti-symmetric covariant tensor.
compute the contravariant frame components which reduce given metric components to a diagonal matrix of positive and negative ones.