When studying vector spaces, what do it mean for a vector space to be closed under addition and closed under multiplication
it means that when you add/multiply vectors from that vector space, the result is vectors from that same vector space.
okay i understand. Woul you mind explaing what vector subspaces are?
linear algebra or dynamic systems class?
sorry got called away. a subspace is just a subset of a vector space. every vector space has at least two subspaces, itself and the null vector.
subspace is not the same as a subset
what?? its not?
how 'bout this... a subspace is a subset of all the set of vectors in a vector space.
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