[Commits] [svn:einsteintoolkit] WeylScal4/trunk/m/ (Rev. 93)

[knarf at cct.lsu.edu]

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],