diff --git a/matlab/replace_object_in_a_one_dimensional_cell_array.m b/matlab/replace_object_in_a_one_dimensional_cell_array.m
new file mode 100644
index 000000000..dd717454f
--- /dev/null
+++ b/matlab/replace_object_in_a_one_dimensional_cell_array.m
@@ -0,0 +1,97 @@
+function one_dimensional_cell_array = replace_object_in_a_one_dimensional_cell_array(one_dimensional_cell_array, object, i)
+
+% Copyright (C) 2013 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
+if nargin<3
+    error('replace_object_in_a_one_dimensional_cell_array: I need at least three input arguments!')
+end
+
+if ~iscell(one_dimensional_cell_array)
+    error(['replace_column_vector_in_a_matrix: First input ''' inputname(1) ''' must be a cell array!'])
+end
+
+[nr, nc] = size(one_dimensional_cell_array);
+
+if ~isequal(max([nr,nc]),numel(one_dimensional_cell_array))
+    error(['replace_column_vector_in_a_matrix: First input ''' inputname(1) ''' must be a one dimensional cell array!'])
+end
+
+n = numel(one_dimensional_cell_array);
+
+if ~isint(i) || i<1 || i>n 
+    error(['replace_column_vector_in_a_matrix: Last input ''' inputname(3) ''' must be a positive integer less than or equal to ' int2str(n) '!'])
+end
+
+one_dimensional_cell_array = one_dimensional_cell_array(:);
+
+% Remove object i.
+switch i
+  case n
+    one_dimensional_cell_array = one_dimensional_cell_array(1:n-1);
+  case 1
+    one_dimensional_cell_array = one_dimensional_cell_array(2:n);
+  otherwise
+    one_dimensional_cell_array = [one_dimensional_cell_array(1:i-1); one_dimensional_cell_array(i+1:n)];
+end
+
+% convert object to a cell array if needed.
+if ~iscell(object)
+    object = {object};
+end
+
+% Insert object at position i
+one_dimensional_cell_array = insert_object_in_a_one_dimensional_cell_array(one_dimensional_cell_array, object(:), i);
+
+% transpose cell array if needed.
+if nc>nr
+    one_dimensional_cell_array = transpose(one_dimensional_cell_array);
+end
+
+
+%@test:1
+%$ A = {'A12'; 'A3'; 'A4'}; B = {'A1'; 'A2'};
+%$
+%$ try
+%$   C = replace_object_in_a_one_dimensional_cell_array(A, B, 1);
+%$   t(1) = 1;
+%$ catch
+%$   t(1) = 0;
+%$ end
+%$
+%$ if t(1)
+%$   t(2) = dyn_assert(C,[B; A(2:3)]);
+%$ end
+%$ T = all(t);
+%@eof:1
+
+%@test:2
+%$ A = {'A1'; 'A3'; 'A4'}; B = 'B1';
+%$
+%$ try
+%$   C = replace_object_in_a_one_dimensional_cell_array(A, B, 2);
+%$   t(1) = 1;
+%$ catch
+%$   t(1) = 0;
+%$ end
+%$ 
+%$ D = {'A1';'B1';'A4'};
+%$ if t(1)
+%$   t(2) = dyn_assert(C,D);
+%$ end
+%$ T = all(t);
+%@eof:2
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