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Given , we can define a linear space (vector space) as
If happen to be linearly independent, then they also form a basis for the space . When define a basis for , is the dimension of . A basis is a special subset of a generating set. Every generatingset includes a set of basis vectors.
The following three vectors form a generating set for the linear space .
, ,
It is obvious that these three vectors can be combined to form any other two dimensional vector; in fact, we don't need thismany vectors to completely define the space. As these vectors are not linearly independent, we can eliminate one of them.Seeing that is equal to , we can get rid of it and say that our basis for is formed by and .
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