- #1

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Suppose that {u1,u1,...,um} are vectors in R^n. Prove, dircetly that span{u1,u2,...,um} is a subspace of R^n.

How would I go by doing this?

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- Thread starter squenshl
- Start date

- #1

- 479

- 4

Suppose that {u1,u1,...,um} are vectors in R^n. Prove, dircetly that span{u1,u2,...,um} is a subspace of R^n.

How would I go by doing this?

- #2

Hurkyl

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Well, directly, as the question asks. Where are you stuck?

- #3

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You probably define span {u

- #4

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I just need to know how to get started.

- #5

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I just need to know how to get started.

Well, your span (probably meaning as adriank pointed out) is the the set of all linear combinations of those vectors. So that's clearly a sub

So, what's the difference between a sub

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