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lost in vector space

kennyrsb · 2009-12-01 17:28:08

if i want to determine whether or not a set (V) spans sets for R3 how should i start out or what is the best method, gauss any use? ps:sorry for using the forum for self help recently just a bit lost with some exams

01-12-2009 5:28pm

#1

kennyrsb

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Join Date: December 2008

Posts: 162

if i want to determine whether or not a set (V) spans sets for R3 how should i start out or what is the best method, gauss any use?

ps:sorry for using the forum for self help recently just a bit lost with some exams

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Comments

#2 01-12-2009 10:25pm

LeixlipRed

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Posts: 5982

If 3 vectors in your set are linearly independent then they span R3. Your set probably only has 3 vectors so all you have to do is show they're lin ind. You can do that using row reduction or determinants.

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