- u -

• U_ : vnl_sparse_lm , vnl_svd< T > , vnl_svd_fixed< T, R, C >
• upper_bound_ : vnl_lbfgsb
• use_gradient_ : vnl_least_squares_function , vnl_sparse_lst_sqr_function
• use_weights_ : vnl_sparse_lst_sqr_function