|
 Linear Algebra 20 Flashcards |
Start
|
|
What is the time complexity for the addition of two matrices of order m × n? |
Card: 1 / 20 |
|
|
O(m * n) |
Card: 2 / 20 |
|
|
Riddle: I can be added and multiplied, but my multiplication is not commutative. What am I? |
Card: 3 / 20 |
|
|
A matrix |
Card: 4 / 20 |
|
|
True or False: The subtraction of matrices A and B is always commutative. |
Card: 5 / 20 |
|
|
False. Subtraction of matrices is non-commutative, meaning A - B ≠ B - A. |
Card: 6 / 20 |
|
|
The transpose of a matrix A is denoted as ______. |
Card: 7 / 20 |
|
|
Aᵀ |
Card: 8 / 20 |
|
|
Which of the following properties does not hold for matrix multiplication? A) A(BC) = (AB)C B) AB = BA C) A + B = B + A D) A + (B + C) = (A + B) + C |
Card: 9 / 20 |
|
|
B) AB = BA |
Card: 10 / 20 |
|
|
 Unlock all Flashcards with EduRev Infinity Plan Starting from @ ₹99 only
|
|
|
|
What is a singular matrix? |
Card: 11 / 20 |
|
|
A square matrix with a determinant of zero. |
Card: 12 / 20 |
|
|
Fill-in-the-blanks: The set of all eigenvectors corresponding to a specific eigenvalue, along with the zero vector, is called ______. |
Card: 13 / 20 |
|
|
Eigenspace |
Card: 14 / 20 |
|
|
True or False: The identity matrix is a type of diagonal matrix. |
Card: 15 / 20 |
|
|
True. |
Card: 16 / 20 |
|
|
Riddle: I am a matrix that remains unchanged when multiplied by myself. What am I? |
Card: 17 / 20 |
|
|
An idempotent matrix |
Card: 18 / 20 |
|
|
What is the maximum rank of a matrix if it has r rows and c columns, where r <> |
Card: 19 / 20 |
|
|
R |
Card: 20 / 20 |
|
|
Completed! Keep practicing to master all of them. |
Restart
|
