Re: Surface area marked by points
- To: mathgroup at smc.vnet.net
- Subject: [mg117414] Re: Surface area marked by points
- From: Martin VavpotiÄ <martin.vavpotic at gmail.com>
- Date: Thu, 17 Mar 2011 06:35:18 -0500 (EST)
- References: <ilfgu7$6u4$1@smc.vnet.net>
This is what I have so far:
surf[x_] :=
Do[(k[i] =
x[[i, 1]]*(x[[i + 1, 2]] - x[[i, 2]]) - x[[i, 2]]*(x[[i + 1, 1]] -
x[[i, 2]])), {i, 1, Length[x]}]
I want to use surf function on a 200 =D7 2 array. The index i begins
with 201 instead of 1.
What can I do to make this work?