S.Matval eye :
int ->
(float, Stdlib.Bigarray.float32_elt) Owl_base_dense_matrix_s.M.tval tril :
?k:int ->
('a, 'b) Owl_base_dense_matrix_s.t ->
('a, 'b) Owl_base_dense_matrix_s.tval triu :
?k:int ->
('a, 'b) Owl_base_dense_matrix_s.t ->
('a, 'b) Owl_base_dense_matrix_s.tval diagm :
?k:int ->
('a, 'b) Owl_base_dense_matrix_s.t ->
('a, 'b) Owl_base_dense_matrix_s.t