Talk:Linear combination
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What is the need for something like a Linear combination[edit]
It would be nice if someone wrote little about the history of the Linear combination - why it was invented in the first place / why there was the need for an object like a Linear combination in the first place. — Preceding unsigned comment added by Trismarck (talk • contribs) 01:59, 26 July 2012 (UTC)
request for input[edit]
Hi All,
This is a request for some direction, from a non-mathematician. I plan to introduce a proof from linear algebra into the arbitrage pricing theory article. Basically, this is how the derivation there usually goes (where the generic-vectors below have a financial meaning):
- If the fact that (1) a vector is orthogonal to n-1 vectors, implies that (2) it is also orthogonal to an nth vector, then (3) this nth vector can be formed as a linear combination of the other n-1 vectors.
Firstly, I would like to tighten up the wording such that it is acceptable; secondly, I would like to link the argument to the appropriate linear algebra theorem. Hope that's do-able.
Thanks. Fintor 13:25, 23 October 2006 (UTC)
this article is balls. ok so you define an LC by explaining how its constructed, but wtf is it in plain terms? to me its just a pain in the arse —Preceding unsigned comment added by 84.67.47.10 (talk) 03:14, 11 December 2007 (UTC)
- I agree. This article is indeed balls. Round balls. Slightly squishy. We need a definition here. 157.127.124.14 (talk) 14:52, 4 September 2008 (UTC)
Table formatting[edit]
In § Affine, conical, and convex combinations, the table giving various restrictions on combinations has useful info, but could be formatted better. In particular, it needs vertical rules to separate the columns more clearly. Perhaps we could use the wikitable template? I'll look into it if I can find time soon. yoyo (talk) 16:53, 23 March 2018 (UTC)