need addtional comment on input
@@ -20,7 +20,8 @@ def lschol(A, b):
Args:
A (cupy.ndarray or cupy.sparse.csr_matrix): The input matrix with
- dimension ``(N, N)``
+ dimension ``(N, N)``. Must be positive-definite input matrix.
+ Only symmetric real matrix is supported currently.
b (cupy.ndarray): Right-hand side vector.
Returns:
