12-240/Classnotes for Tuesday October 2: Difference between revisions
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== Class |
== Class Notes == |
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Some classnotes here were removed because the file names did not start with "12-240", as required. Please re-upload! Note also that it is much better if classnotes files are dated, to prevent conflict with other dates. "12-240-Oct-2-Page-1.jpg", for example, would be a great file name. [[User:Drorbn|Drorbn]] 16:59, 2 October 2012 (EDT) |
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Revision as of 15:59, 2 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 subset W ⊂ V is a subspace iff is is closed under the operations of V
Proof: First direction:
Class Notes
Some classnotes here were removed because the file names did not start with "12-240", as required. Please re-upload! Note also that it is much better if classnotes files are dated, to prevent conflict with other dates. "12-240-Oct-2-Page-1.jpg", for example, would be a great file name. Drorbn 16:59, 2 October 2012 (EDT)