xAct Tensor Computer Algebra

Showing 1-20 of 671 topics
calculate the Ricci tensor of an n-dimensional metric Meng-Sen Ma 6/13/18
Problems calculating component values with unknown tensor Albin Nilsson 6/13/18
Using MakeRule to substitute Maxwell Field Strength Tucker Manton 6/11/18
xAct fails to install on Mathematica 11 on Ubuntu 18.04 HL D 5/22/18
Minimal Working Example for coordinate transformation Gabriele Bozzola 5/21/18
Tensor index problem: Repeated Uncaught Throw[Null] error messages HL D 5/21/18
Strange behaviour of SeparateMetric Markus B. Fröb 5/18/18
Extra scalar field in xPand Francisco Flores 5/10/18
xAct - Terms (2)^E_ab How do I interpret them as? mariaco...@gmail.com 5/8/18
Collecting expressions with MakeRule konstantinos.pallikaris 5/4/18
SetBasisChange Sebastian Szybka 5/4/18
Problem in obtaining field equations for Lagrangians with terms in the denominator. Armando Roque 5/3/18
Help files won't load in Mathematica 11 Bill N 4/29/18
simplifying total derivatives apt45 4/11/18
AllContractions expected time apt45 3/29/18
Can't find the Schwarzschild.nb referenced in xCobaDoc.nb BillN 3/27/18
How can I see the "Notes for a course on xTensor,, held in Paris in April 2009"? How can I have permission to access? DiegoCP 3/26/18
xAct communication and working examples. Cyril Pitrou 3/25/18
Printing/Showing elements of tensors Tucker Manton 3/24/18
Simplifing sum of equal contracted tensors with different dummy indexes apt45 3/23/18
More topics »