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est_arml

Adequate rank maximum likelihood estimator estimator by POVM measurements results. Density matrix is estimated by maximization of likelihood function. The maximization is done by numerical solving of likelihood equation for the square root of a density matrix. Quantum state rank is chosen automatically by means of chi-squared test.

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Usage

  • fun_est = est_arml() generates estimator handler
  • fun_est = est_arml(sl) specifies significance level

Data type: double

Significance level for a chi-squared test.

Default: 0.05

Data type: function_handle

Estimator handler.