KDD Flashcards

1
Q

How to you calculate a Determinate of a nxn matrix ?

A

n11 * n22 - n12*n21

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How do you find the Inverse Matrix?

A

Row reduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Whats a Identity Matrix?

A

Diagonally values are all 1, rest is zero

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How do you calculate the eigenvalue of a matrix?

A
  1. Multiply Identity Matrix with lambda
  2. Subtract result from 1 from the original Matrix
  3. Calculate Determinate
  4. Zeorise Equation from 3 and solve it.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly