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Linear Algebra Basics Flashcards | StudBud
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Linear Algebra Basics
Linear Algebra Basics
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Answers
1
What is the dimension of the following product of matrices?
3 X 2
2 X 5
5 X 2
3 X 5
2
What type of special matrix is shown below?
Rotation
Diagonal
Identity
Permutation
3
What type of special matrix is shown below?
Lower Triangular
Upper Triangular
Permutation
Symmetric
4
What type of special matrix is shown below?
Diagonal
Permutation
Rotation
Identity
5
Is the following product AB for matrices A and B defined?
False
True
6
Is the following matrix invertible? Yes (T) No (F)
True
False
7
If A and B are 2x2 matrices, is AB = BA ?
False
True
8
What is a matrix X vector ?
vector
matrix
9
Calculate the angle (in degrees) between the following vectors: (1, sqrt(3)) and (0,2)
90
30
60
45
10
What type of special matrix is shown below?
Upper Triangular
Rotation
Lower Triangular
Symmetric
11
What type of special matrix is shown below?
Rotation
Permutation
Symmetric
Semi-definite
12
What is a matrix X matrix ?
matrix
vector
13
Calculate (5,-1) + (3,-4)
(8,-5)
(-3,8)
(8,-3)
(0,0)
14
What is a_1,2 ?
2
-4
5
-3
15
Which vector is drawn in the graph below?
(-3,-4)
(-3,4)
(1,2)
(4,-3)
16
Is the following product AB for matrices A and B defined?
True
False
17
Yes (T) or No (F)
False
True
