pygsti.tools.jamiolkowski.sum_of_negative_choi_eigenvalues_gate

sum_of_negative_choi_eigenvalues_gate(op_mx, op_mx_basis)

Compute the sum of the negative Choi eigenvalues of a process matrix.

Parameters:

• op_mx (np.array)

• op_mx_basis (Basis)

Returns:

the sum of the negative eigenvalues of the Choi representation of op_mx

Return type:

float