.. _api:dict: Sparsifying Dictionaries and Sensing Matrices =================================================== .. currentmodule:: cr.sparse.dict Functions for constructing sparsying dictionaries and sensing matrices -------------------------------------------------------------------------- .. autosummary:: :toctree: _autosummary gaussian_mtx rademacher_mtx sparse_binary_mtx random_onb random_orthonormal_rows hadamard hadamard_basis dirac_hadamard_basis cosine_basis dirac_cosine_basis dirac_hadamard_cosine_basis fourier_basis wavelet_basis Dictionary properties ------------------------- .. autosummary:: :toctree: _autosummary gram frame coherence_with_index coherence frame_bounds upper_frame_bound lower_frame_bound babel Dictionary comparison ---------------------------- These functions are useful for comparing dictionaries during the dictionary learning process. .. autosummary:: :toctree: _autosummary mutual_coherence_with_index mutual_coherence matching_atoms_ratio Grassmannian frames ------------------------- .. autosummary:: :toctree: _autosummary minimum_coherence build_grassmannian_frame