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Re: Lists: Row Vectors vs. Column Vectors. (feels like such a silly

• To: mathgroup at smc.vnet.net
• Subject: [mg110330] Re: Lists: Row Vectors vs. Column Vectors. (feels like such a silly
• From: "Kevin J. McCann" <kjm at KevinMcCann.com>
• Date: Sun, 13 Jun 2010 04:12:35 -0400 (EDT)
• References: <huinf1$o40$1@smc.vnet.net>

Try this:

$Post := (If[MatrixQ[#] || VectorQ[#], MatrixForm[#], #] &)

This only affects the way the output looks when displayed.

Kevin

telefunkenvf14 wrote:
> Group:
> 
> I'm trying to understand the *reasoning* behind Mathematica's treatment of
> lists, rows and columns. Basically, I feel like I'm in a weird place---
> I get what's going on well enough to translate various econometric
> examples, but I wouldn't be able to clearly explain Mathematica's behavior to
> someone previously exposed to matrix programming in Gauss, SAS IML,
> etc.
> 
> Can someone explain why a list does not display in MatrixForm as a
> row?---It's ok if the answer is computer sciency. I'll take some advil
> before I attempt to digest any answers. :)
> 
> -RG
>