1function C = vertcat (varargin)
2%VERTCAT vertical concatenation.
3% [A ; B] is the vertical concatenation of A and B.
4% Multiple matrices may be concatenated, as [A ; B ; C ; ...].
5% If the matrices have different types, the type is determined
6% according to the rules in GrB.optype.
7%
8% See also GrB/horzcat, GrB/cat, GrB.cell2mat, GrB/mat2cell, GrB/num2cell.
9
10% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
11% SPDX-License-Identifier: GPL-3.0-or-later
12
13% get the input matrices
14nmatrices = length (varargin) ;
15for k = 1:nmatrices
16    Tile = varargin {k} ;
17    if (isobject (Tile))
18        varargin {k} = Tile.opaque ;
19    end
20end
21
22% concatenate the matrices
23C = GrB (gbcat (varargin')) ;
24
25