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Question: Using Maple to find Newman-Penrose equations with general tetrad

Question:Using Maple to find Newman-Penrose equations with general tetrad

Michael_Watson 125 Maple 17
coefficients
April 10 2013
1

I just bought Maple 17 and tried to find a couple of Newman-Penrose spin coefficients.  I can do it by hand, but when I try to do the same thing using Maple I am stuck.  Maple lets me define an orthogonal tetrad, then I convert that to a null tetrad.  But how do I then fiind spin coefficients?  I know Maple has an entire list of metrics (385) already loaded, but I need to investigate different Petrov types to develop a metric.  Thanks.
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