diff --git a/matlab/gsa/read_data.m b/matlab/gsa/read_data.m
index a6f4054357121bb1529897ca6a2826c005f3371a..c5851c0be93cc56817777ea444a8ef6580b705ab 100644
--- a/matlab/gsa/read_data.m
+++ b/matlab/gsa/read_data.m
@@ -1,4 +1,4 @@
-function [gend, data] = read_data
+function [gend, data] = read_data()
 % Written by Marco Ratto
 % Joint Research Centre, The European Commission,
 % (http://eemc.jrc.ec.europa.eu/),
diff --git a/matlab/make_ex_.m b/matlab/make_ex_.m
index 7aea8071ee9d1bda559c535dd7af0e3282d791eb..2aaebf5379763d460d6960cc6d77e818c022dae6 100644
--- a/matlab/make_ex_.m
+++ b/matlab/make_ex_.m
@@ -1,4 +1,4 @@
-function make_ex_
+function make_ex_()
 % forms oo_.exo_simul and oo_.exo_det_simul
 %
 % INPUTS
diff --git a/matlab/make_y_.m b/matlab/make_y_.m
index 914f37d346fbe7f428b3ba9afc40d380705d3dc8..45341c0312b48f6ea7cf94b1fcc90e80c0aa1140 100644
--- a/matlab/make_y_.m
+++ b/matlab/make_y_.m
@@ -1,4 +1,4 @@
-function make_y_
+function make_y_()
 % function make_y_
 % forms oo_.endo_simul as guess values for deterministic simulations
 %  
diff --git a/matlab/read_data_.m b/matlab/read_data_.m
index db520b2971bd19d6829ba45edaa41946731c2487..0307c3731dd73a02abc3087b036ae1f95b773d2d 100644
--- a/matlab/read_data_.m
+++ b/matlab/read_data_.m
@@ -1,4 +1,4 @@
-function read_data_
+function read_data_()
 % function read_data_
 % reads endogenous and exogenous variables from a text file 
 % Used by datafile option in simulate
diff --git a/matlab/sim1.m b/matlab/sim1.m
index d88a663412789ae22af3653a735feb2b0706a7e9..31cebe318f0479d512697e95e8160cb80645a648 100644
--- a/matlab/sim1.m
+++ b/matlab/sim1.m
@@ -1,4 +1,4 @@
-function sim1
+function sim1()
 % function sim1
 % Performs deterministic simulations with lead or lag on one period.
 % Uses sparse matrices.
diff --git a/matlab/sim1_lbj.m b/matlab/sim1_lbj.m
index 57184583a803f8c292ab0787a0702440050b95b1..a618dd17085d162f471f0a921ca6c92f4a847fdf 100644
--- a/matlab/sim1_lbj.m
+++ b/matlab/sim1_lbj.m
@@ -1,4 +1,4 @@
-function sim1_lbj
+function sim1_lbj()
 % function sim1_lbj
 % performs deterministic simulations with lead or lag on one period
 % using the historical LBJ algorithm
diff --git a/matlab/sim1_purely_backward.m b/matlab/sim1_purely_backward.m
index 10479372d9af046b8133158bf644eb262a2b020b..b432c4789f2cfb9d970cbf31805c367299747752 100644
--- a/matlab/sim1_purely_backward.m
+++ b/matlab/sim1_purely_backward.m
@@ -1,4 +1,4 @@
-function sim1_purely_backward
+function sim1_purely_backward()
 % Performs deterministic simulation of a purely backward model
 
 % Copyright (C) 2012 Dynare Team
diff --git a/matlab/sim1_purely_forward.m b/matlab/sim1_purely_forward.m
index 1ec31f2cb93fd07d219e6138e635306b1167ee09..65a874b5055f035e8c0657712cb135bb994dd64c 100644
--- a/matlab/sim1_purely_forward.m
+++ b/matlab/sim1_purely_forward.m
@@ -1,4 +1,4 @@
-function sim1_purely_forward
+function sim1_purely_forward()
 % Performs deterministic simulation of a purely forward model
 
 % Copyright (C) 2012 Dynare Team
diff --git a/matlab/simul.m b/matlab/simul.m
index cf96981e7b7d2fafd9f5db6fc6711df6af9bfd8d..a34c0925e5a98f5261dc0b3f93365b68225eaad9 100644
--- a/matlab/simul.m
+++ b/matlab/simul.m
@@ -1,4 +1,4 @@
-function simul
+function simul()
 % Computes deterministic simulations
 %  
 % INPUTS