Chapter2 (Vector) Flashcards
1
Q
What is F^n
A
For a field and positive integer n, a vector with n entries, each belonging to F is called an n-vector Field
2
Q
What is a field
A
a set of values with some operations (+,-,*,/) that satisfy some algebraic laws
3
Q
what is a vector space
A
F^n with some operations and some algebraic laws
4
Q
what is a k-sparse vector
A
a sparse vector with no more the k non-zero entries
5
Q
What are right and left side matrix multiples
A
Left is combination of rows
Right is combination of columns