sf.decompositions.hamil_to_covmat¶
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hamil_to_covmat
(H, tol=1e-10)[source]¶ Converts a Hamiltonian matrix to a covariance matrix.
Given a Hamiltonian matrix of a Gaussian state H, finds the equivalent covariance matrix V in the xp ordering.
For more details, see https://arxiv.org/abs/1507.01941
- Parameters
H (array) – positive definite Hamiltonian matrix
tol (int) – the number of decimal places to use when determining if the Hamiltonian is symmetric
- Returns
Gaussian covariance matrix
- Return type
array
code/api/strawberryfields.decompositions.hamil_to_covmat
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