Mathematics
OpenStudy (anonymous):

When studying vector spaces, what do it mean for a vector space to be closed under addition and closed under multiplication

OpenStudy (anonymous):

it means that when you add/multiply vectors from that vector space, the result is vectors from that same vector space.

OpenStudy (anonymous):

okay i understand. Woul you mind explaing what vector subspaces are?

OpenStudy (anonymous):

linear algebra or dynamic systems class?

OpenStudy (anonymous):

linear

OpenStudy (anonymous):

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.

OpenStudy (anonymous):

subspace is not the same as a subset

OpenStudy (anonymous):

what?? its not?

OpenStudy (anonymous):

how 'bout this... a subspace is a subset of all the set of vectors in a vector space.

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