User: knarf Date: 2011/12/13 10:21 PM
Modified: /trunk/m/ WeylScal4.m
Log: Add-comments-to-describe-the-order-of-orthonormalisa
File Changes:
Directory: /trunk/m/ ====================
File [modified]: WeylScal4.m Delta lines: +6 -0 =================================================================== --- trunk/m/WeylScal4.m 2011-12-14 04:20:43 UTC (rev 92) +++ trunk/m/WeylScal4.m 2011-12-14 04:21:01 UTC (rev 93) @@ -134,12 +134,18 @@ Compute the local tetrad ****************************************************************************)
+ (* azmuthal *) va1 -> -ymoved, va2 -> xmoved+offset, va3 -> 0, + + (* radial *) vb1 -> xmoved+offset, vb2 -> ymoved, vb3 -> zmoved, + + (* polar *) vc[ua] -> Sqrt[detg] gInv[ua,ud] Eps[ld,lb,lc] va[ub] vb[uc],
(* Orthonormalize using Gram-Schmidt*)
+ (* Orthonormalize in the order phi, r, theta *) wa[ua] -> va[ua], omega11 -> wa[ua] wa[ub] g[la,lb], ea[ua] -> wa[ua] / Sqrt[omega11],