Difference between vector and vector space?

In summary, the conversation touched on various topics related to vector spaces and linear algebra. The meaning of trivial solution, vector and vector space, and dimensions were discussed, as well as the difference between a vector and a scalar in a field. The use of the rank-nullity theorem was also mentioned. For more information on these topics, recommended links were provided.
  • #1
RyozKidz
26
0
can any1 pls tell me or explain the following..?

1.wat is the meaning of trivial solution?
2.wat is the difference between vector and vector space?
3.wat is vector space...?
4.why is the element in a field is called scalar?
5.how to illustrate a vector space over a field?
6.wat is dimension?
7.wat is the meaning of dimensions of the image ??
8.wat is the meaning of rank(A) and null(A)..?
9.watis the use of the rank-nullity theroem ??
 
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  • #2


Do you have any thoughts on these questions to share with us?
 
  • #3


Here are some links you read to learn about these topics.

1.wat is the meaning of trivial solution?
http://www.mathwords.com/t/trivial.htm
https://www.physicsforums.com/showthread.php?t=237796

2.wat is the difference between vector and vector space?
3.wat is vector space...?
5.how to illustrate a vector space over a field?
http://en.wikipedia.org/wiki/Vector_space

4.why is the element in a field is called scalar?
http://en.wikipedia.org/wiki/Scale_factor

6.wat is dimension?
http://en.wikipedia.org/wiki/Hamel_dimension

7.wat is the meaning of dimensions of the image ??
http://en.wikipedia.org/wiki/Column_space

8.wat is the meaning of rank(A) and null(A)..?
http://en.wikipedia.org/wiki/Rank_(linear_algebra )
http://en.wikipedia.org/wiki/Kernel_(matrix )

9.watis the use of the rank-nullity theroem ??
http://en.wikipedia.org/wiki/Rank-nullity_theorem
 
Last edited by a moderator:

What is the difference between a vector and a vector space?

A vector is a mathematical object that has both magnitude and direction. It is represented by an arrow, with its length representing its magnitude and its direction representing its direction. A vector space, on the other hand, is a set of vectors that satisfy certain properties such as closure under addition and scalar multiplication.

Are all vectors considered vector spaces?

No, not all vectors are considered vector spaces. A vector space must satisfy certain properties, such as closure under addition and scalar multiplication, and have a defined set of operations. Individual vectors do not necessarily have these properties.

Can a vector space have only one vector?

No, a vector space must have at least two vectors to satisfy the closure under addition property. If a vector space only has one vector, then it is not possible to perform addition operations.

How do you determine the dimension of a vector space?

The dimension of a vector space is determined by the number of linearly independent vectors in the space. This means that the vectors cannot be represented as a linear combination of other vectors in the space. For example, in a 2-dimensional vector space, there must be two linearly independent vectors.

Can a vector space have an infinite number of dimensions?

Yes, a vector space can have an infinite number of dimensions. This means that there is an infinite number of linearly independent vectors in the space. An example of an infinite-dimensional vector space is the set of all polynomials with real coefficients.

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