GRTensorIII package for Maple
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================================= GRTensorIII for Maple

Version 2.1.10 Oct 3, 2017

  • add function grt2DG() to export a metric in a form that can be used with the Maple Differential Geometry package

Version 2.1.9 Sept 24, 2017

  • issue #24 (CM def for NP tetrad)
  • issue #17 (Add license file)

Version 2.1.8 August 20, 2017

  • fix Issue#22 (grdef with expsc[u])
  • fix Issue#23 (gredef with operators on RHS)

Version 2.1.5 June 1, 2017

  • fix issue#19 (allow any option to be set in init file)

Version 2.1.6 June 1, 2017

  • add grcalcd/gralterd to combine display function

Version 2.1.5 June 1, 2017

  • remove RayCh vector operator until it can be re-verified

Version 2.1.4, May 30, 2017

  • support non-interactive grconstraint definition (see ?grconstraint)

This project contains the distribution of GRTensorIII version 2.1, the tensor component calulation package for Maple.

GRTensorIII provides pre-defined curvature tensors and a grdef command to create definitions of new objects without programming.

GRTensorIII supports basis and NP calculations as well as calculations for hypersurfaces and junction conditions.

To download click on "Clone or Download" above.

Instructions on how to install the package are on the Wiki tab for this project in GITLAB (

Documentation is provided in docs/ and a large number of sample Maple worksheets.