cr.sparse.is_positive_definite

cr.sparse.is_positive_definite(A)

Checks if an array is a symmetric positive definite matrix

Parameters

A (jax.numpy.ndarray) – A JAX array

Returns

True if the array is a symmetric positive definite matrix, False otherwise.

Return type

bool

Symmetric positive definite matrices have real and positive eigen values. This function checks if all the eigen values are positive.