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Sep 7, 2012 at 13:02 vote accept Eli Lansey
Sep 6, 2012 at 21:22 answer added Simon Woods timeline score: 8
Sep 6, 2012 at 20:00 history edited Eli Lansey CC BY-SA 3.0
added 182 characters in body
Sep 6, 2012 at 18:12 answer added Dr. belisarius timeline score: 4
Sep 6, 2012 at 18:02 history tweeted twitter.com/#!/StackMma/status/243771168337846272
Sep 6, 2012 at 16:56 comment added Eli Lansey @belisarius Yeah. And I've never been strong with the Hold's stuff.
Sep 6, 2012 at 16:17 comment added Dr. belisarius @EliLansey hehe .. me too. The eval order is driving me nuts :)
Sep 6, 2012 at 16:10 comment added Eli Lansey @belisarius J.M. pointed that out in chat, but I've been having trouble getting it to work with the interpolated functions.
Sep 6, 2012 at 15:24 comment added Dr. belisarius From the help D[f, {{x1, x2, ...}}] gives the vector derivative
Sep 6, 2012 at 14:43 comment added user21 have you looked at Derivative for this. e.g. Derivative[0,0,1][intf][x,y,z]. (I have to go now, so I can not post a solution)
Sep 6, 2012 at 14:41 comment added Eli Lansey @ruebenko yup. good catch. fixed it.
Sep 6, 2012 at 14:41 history edited Eli Lansey CC BY-SA 3.0
edited body
Sep 6, 2012 at 14:40 comment added user21 Is there a typo in the last component of the curl, should that be D[#[[1]], y]?
Sep 6, 2012 at 14:04 history edited Eli Lansey CC BY-SA 3.0
added 6 characters in body
S Sep 6, 2012 at 13:51 answer added Eli Lansey timeline score: 6
S Sep 6, 2012 at 13:51 history asked Eli Lansey CC BY-SA 3.0