https://de.maplesoft.com/support/help/view.aspx?path=DifferentialGeometry%2FTensor%2FWeylSpinor
WeylSpinor - Maple Help
Tensor[WeylSpinor] - calculate the spinor form of the Weyl tensor Calling Sequences WeylSpinor( , W ) WeylSpinor( dyad , NP ) WeylSpinor( dyad , PT , , )...
maplehelp