qiskit_addon_sqd.configuration_recovery.post_select_by_hamming_weight

post_select_by_hamming_weight(bitstring_matrix, *, hamming_right, hamming_left)

Post-select bitstrings based on the hamming weight of each half.

Parameters:

• bitstring_matrix (ndarray) – A 2D array of bool representations of bit values such that each row represents a single bitstring

• hamming_right (int) – The target hamming weight of the right half of bitstrings

• hamming_left (int) – The target hamming weight of the left half of bitstrings

Returns:

A mask signifying which samples (rows) were selected from the input matrix.

Return type:

ndarray