Eigenvalue And Eigenvector Calculator
Formula
The formula for finding eigenvalues and eigenvectors of a matrix A is: (A - λI)v = 0 Where: - A is the given matrix - λ is the eigenvalue - I is the identity matrix - v is the eigenvectorHow to Use
1. Enter the matrix values into the input field. 2. Click the "Calculate" button to compute the eigenvalues and eigenvectors. 3. The resulting eigenvalues and corresponding eigenvectors will be displayed in the output field. This calculator ensures a seamless and accurate computation process.Example
Suppose you have a 2x2 matrix: A = | 3 1 | | 1 2 | The eigenvalues can be calculated by solving the characteristic equation: det(A - λI) = 0 det | 3-λ 1 | | 1 2-λ | = 0 Solving the equation gives two eigenvalues: λ1 = 4 and λ2 = 1.FAQs
What are eigenvalues and eigenvectors?
Eigenvalues are scalar values that scale eigenvectors in a linear transformation. Eigenvectors are non-zero vectors that remain in the same direction after the transformation.
How are eigenvalues and eigenvectors calculated?
Eigenvalues and eigenvectors are calculated by solving the characteristic equation det(A - λI) = 0, where A is the matrix and λ is the eigenvalue.
Why are eigenvalues and eigenvectors important?
Eigenvalues and eigenvectors are essential in understanding the properties of matrices, stability of systems, and solutions to differential equations.
Can eigenvalues be complex numbers?
Yes, eigenvalues can be complex numbers, especially in cases where the matrix has complex components.
What does a negative eigenvalue indicate?
A negative eigenvalue indicates that the corresponding eigenvector undergoes a reflection during the transformation.
How can eigenvalues and eigenvectors be used in finance?
In finance, eigenvalues and eigenvectors can be used to analyze risk factors, portfolio optimization, and asset pricing models.