Back to LAPACK/BLAS
la.utilities.isPositiveDefinite
Test if a matrix is positive definite.
Syntax
la.utilities.isPositiveDefinite(A)
Description
Test if a matrix is positive definite. A symmetric matrix is positive definite if all its eigenvalues are positive, or equivalently, if Cholesky factorization succeeds.
Parameters
| Name | Description |
|---|---|
| A | - Input square symmetric matrix (n × n) |
Returns
IsPositiveDefiniteResult