sig
val array :
anchor list ->
?vertical_padding:(int -> float) ->
?horizontal_padding:(int -> float) ->
?all_node_styles:Matrix.T.Style.t list ->
?matrix_anchor:(Matrix.info -> Point.t) ->
?main_node_style:Node.Transfo.Style.t list ->
MakeMathMatrix.t list list list -> Node.info * Node.info Matrix.matrix
end