HHL.expand_to_hermitian

static HHL.expand_to_hermitian(matrix, vector)

Expand a non-hermitian matrix A to a hermitian matrix by [[0, A.H], [A, 0]] and expand vector b to [b.conj, b].

Parameters

• matrix (np.array) – the input matrix

• vector (np.array) – the input vector

Returns

the expanded matrix, the expanded vector

Return type

tuple(np.array, np.array)