generate_matrix_obs.m
    used for data generation
matrix_completion_NES.m
    Accelerated proximal gradient method with fixed step size
matrix_completion_FISTA.m
    FISTA with fixed step size
matrix_completion_modifiedNES.m
    Modified FISTA with fixed step size
matrix_completion_NES_lsearch.m
    Accelerated proximal gradient method with backtracking
matrix_completion_FISTA_lsearch.m
    FISTA with backtracking
matrix_completion_modifiedNES_lsearch.m
    Modified FISTA with backtracking
