12-240/Classnotes for Tuesday October 2: Difference between revisions
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== Subspace == |
== Subspace == |
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Remind about the theorem of subspace: a subset W ⊂ V is a subspace iff is is closed under the operations of V |
Remind about the theorem of subspace: a non-empty subset W ⊂ V is a subspace iff is is closed under the operations of V |
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Proof: First direction: |
Proof: First direction: |
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Revision as of 10:28, 4 October 2012
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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 non-empty subset W ⊂ V is a subspace iff is is closed under the operations of V
Proof: First direction:
Class Notes
Page 1
Page 2
Page 3
Page 4
Page 5
