811 B
811 B
Feature methods
These methods enable the receiving of matrix features, such as:
- number of rows
- number of columns
- norm
- condition number
- determinant
- matrix rank
- trace
- spectrum
| Function | Action |
|---|---|
| Rows | Return the number of rows in a matrix |
| Cols | Return the number of columns in a matrix |
| Size | Return the size of vector |
| Norm | Return matrix or vector norm |
| Cond | Compute the condition number of a matrix |
| Det | Compute the determinant of a square invertible matrix |
| SLogDet | Compute the sign and logarithm of the determinant of an matrix |
| Rank | Return matrix rank using the Gaussian method |
| Trace | Return the sum along diagonals of the matrix |
| Spectrum | Compute spectrum of a matrix as the set of its eigenvalues from the product AT*A |