LinAlg Flashcards
1
Q
linear equation
A
1
2
Q
linear system
A
2
3
Q
possible number of solutions
A
3
4
Q
matrix
A
4
5
Q
size of a matrix
A
5
6
Q
entries
A
6
7
Q
diagonal entry
A
7
8
Q
lower/upper triangular
A
8
9
Q
matrix operations
A
9
addition/subtraction, scalar multiple, transposition, product, power
10
Q
idempotent
A
10
11
Q
identity matrix
A
11
12
Q
inverse
A
12
13
Q
Gaussian elimination
A
13
defn, algorithm
14
Q
solving Ax=b
A
14
15
Q
inverse of 2x2 matrix
A
15
16
Q
vector space
A
16
defn, 10 axioms
17
Q
nullspace
A
17
18
Q
linear combination of vectors v_i
A
18
19
Q
span
A
19
20
Q
linearly independent
A
20