Difference between revisions of "12-240/Classnotes for Tuesday October 2"

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(Class Notes)
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Revision as of 17:45, 2 October 2012

The "vitamins" slide we viewed today is here.

Today, the professor introduces more about subspace, linear combination, and related subjects.


Subspace

Remind about the theorem of subspace: a subset W ⊂ V is a subspace iff is is closed under the operations of V

Proof: First direction:

Class Notes