diff --git a/matlab/ms-sbvar/plot_ms_forecast.m b/matlab/ms-sbvar/plot_ms_forecast.m
index b537fc0398951e74cfde5c342fddf78745275c83..636a5917d8c4fff30b014d1afc86c7dd4d793fd2 100644
--- a/matlab/ms-sbvar/plot_ms_forecast.m
+++ b/matlab/ms-sbvar/plot_ms_forecast.m
@@ -7,10 +7,10 @@ function plot_ms_forecast(M_,options_,forecast,title_,save_graph_formats,TeX)
 %   forecast should be in the form (percentile x horizon x nvar ), if banded otherwise
 %     ( horizon x nvar )
 %
-%   title: optional super title
+%   title:      title
 %
 
-% Copyright (C) 2011 Dynare Team
+% Copyright (C) 2011-2012 Dynare Team
 %
 % This file is part of Dynare.
 %
@@ -26,15 +26,12 @@ function plot_ms_forecast(M_,options_,forecast,title_,save_graph_formats,TeX)
 %
 % You should have received a copy of the GNU General Public License
 % along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
-    
+
     nc = 2;
     nr = 2;
     nvars = M_.endo_nbr;
     endo_names = M_.endo_names;
-    
     var_list = endo_names(1:M_.orig_endo_nbr,:);
-
-    i_var = [];
     names = {};
     tex_names = {};
     m = 1;
@@ -49,16 +46,9 @@ function plot_ms_forecast(M_,options_,forecast,title_,save_graph_formats,TeX)
             tex_names{m} = tex_name;
             m = m + 1;
         end
-        i_var = [i_var; tmp];
     end
-    nvar = length(i_var);
-    
+
     dims = size(forecast);
-    
-    if nargin < 3
-        title_ = '';
-    end
-    
     if (length(dims) == 2)
         % Point Forecast (horizon x nvars )
         horizon = dims(1);
@@ -66,7 +56,7 @@ function plot_ms_forecast(M_,options_,forecast,title_,save_graph_formats,TeX)
     elseif (length(dims) == 3)
         % Banded Forecast
         horizon = dims(2);
-        num_percentiles = dims(1);  
+        num_percentiles = dims(1);
     else
         error('The impulse response matrix passed to be plotted does not appear to be the correct size');
     end
@@ -86,16 +76,16 @@ end
 function plot_point_forecast(forecast,nvars,nr,nc,endo_names,title_,save_graph_formats,TeX,names,tex_names,dirname)
     if nvars > nr*nc
         graph_name = 'MS-Forecast (1)';
-        fig = figure('Name','Forecast (I)'); 
+        fig = figure('Name','Forecast (I)');
     else
         graph_name = 'MS-Forecast';
-        fig = figure('Name','Forecast'); 
-    end    
+        fig = figure('Name','Forecast');
+    end
     m = 1;
     n_fig = 1;
     for j=1:nvars
         if m > nr*nc
-            graph_name = ['MS-Forecast (' int2str(n_fig) ')']
+            graph_name = ['MS-Forecast (' int2str(n_fig) ')'];
             dyn_save_graph(dirname,['MS-forecast-' int2str(n_fig)],...
                            save_graph_formats,TeX,names,tex_names,graph_name);
             n_fig =n_fig+1;
@@ -118,11 +108,11 @@ end
 function plot_banded_forecast(forecast,nvars,nr,nc,endo_names,num_percentiles,title_,save_graph_formats,TeX,names,tex_names,dirname)
     if nvars > nr*nc
         graph_name = 'MS-Forecast (1)';
-        fig = figure('Name','Forecast (I)'); 
+        fig = figure('Name','Forecast (I)');
     else
         graph_name = 'MS-Forecast';
-        fig = figure('Name','Forecast'); 
-    end    
+        fig = figure('Name','Forecast');
+    end
     m = 1;
     n_fig = 1;
     for j=1:nvars
diff --git a/matlab/ms-sbvar/plot_ms_irf.m b/matlab/ms-sbvar/plot_ms_irf.m
index 51b92d88e79dc32bfd6109a605f395937453decc..ee9252ad0fdda7cdce7a1f73b762d1b778757a97 100644
--- a/matlab/ms-sbvar/plot_ms_irf.m
+++ b/matlab/ms-sbvar/plot_ms_irf.m
@@ -8,8 +8,8 @@ function plot_ms_irf(M_, options_, irf, title_, varlist)
 %     ( horizon x (nvar x nvar) )
 %   title: optional super title
 %
-% The element in position (k,i+j*nvars) of ir is the response of the ith 
-% variable to the jth shock at horizon k.  Horizon 0 is the contemporaneous 
+% The element in position (k,i+j*nvars) of ir is the response of the ith
+% variable to the jth shock at horizon k.  Horizon 0 is the contemporaneous
 % response.
 
 % Copyright (C) 2011-2012 Dynare Team
@@ -32,17 +32,14 @@ function plot_ms_irf(M_, options_, irf, title_, varlist)
     if nargin < 4
         title_ = '';
     end
-    
-    nc = 2;
-    nr = 2;
+
     nvars = M_.endo_nbr;
     endo_names = M_.endo_names;
-    
+
     if isempty(varlist)
         var_list = endo_names(1:M_.orig_endo_nbr,:);
     end
-    
-    i_var = [];
+
     names = {};
     tex_names = {};
     m = 1;
@@ -51,7 +48,6 @@ function plot_ms_irf(M_, options_, irf, title_, varlist)
         if isempty(tmp)
             error([var_list(i,:) ' isn''t and endogenous variable'])
         end
-        i_var = [i_var; tmp];
         tex_name = deblank(M_.endo_names_tex(tmp,:));
         if ~isempty(tex_name)
             names{m} = deblank(var_list(i,:));
@@ -68,11 +64,8 @@ function plot_ms_irf(M_, options_, irf, title_, varlist)
             m = m + 1;
         end
     end
-    
-    nvar = length(i_var);
 
     dims = size(irf);
-    
     if (length(dims) == 2)
         % Point IRF (horizon x (nvarsxnvars) )
         horizon = dims(1);
@@ -84,11 +77,11 @@ function plot_ms_irf(M_, options_, irf, title_, varlist)
     else
         error('The impulse response matrix passed to be plotted does not appear to be the correct size');
     end
-    
+
     if size(endo_names,1) ~= nvars
         error('The names passed are not the same length as the number of variables')
     end
-    
+
     if num_percentiles == 1
         % loop through the shocks
         for s=1:nvars
@@ -111,7 +104,6 @@ function plot_ms_irf(M_, options_, irf, title_, varlist)
                 title_, [options_.ms.output_file_tag filesep 'Output' filesep 'IRF'], options_, names, tex_names);
         end
     end
-    
 end
 
 function [fig] = plot_point_irf_for_shock(irf,nvars,endo_names,shock_name,title_,dirname,options_,names,tex_names)
@@ -142,5 +134,3 @@ function [fig] = plot_banded_irf_for_shock(irf,nvars, endo_names, shock_name,tit
     dyn_save_graph(dirname,[title_ ' ' shock_name],options_.graph_save_formats, ...
                    options_.TeX,names,tex_names,[title_ ' ' shock_name]);
 end
-
-
diff --git a/matlab/ms-sbvar/plot_ms_variance_decomposition.m b/matlab/ms-sbvar/plot_ms_variance_decomposition.m
index 2e7832a5bc5d2109cc316c8ecd352a66eff0e278..ba30b487f7a8f9a1b2d46ce7b462b39e8514212b 100644
--- a/matlab/ms-sbvar/plot_ms_variance_decomposition.m
+++ b/matlab/ms-sbvar/plot_ms_variance_decomposition.m
@@ -17,7 +17,7 @@ function plot_ms_variance_decomposition(M_, options_, vd, title_, graph_save_for
 % Example:
 % plot_historic_decomposition(shocks,'VD','shock_names',shock_names,'series_names',series_names)
 
-% Copyright (C) 2011 Dynare Team
+% Copyright (C) 2011-2012 Dynare Team
 %
 % This file is part of Dynare.
 %
@@ -48,11 +48,13 @@ function plot_ms_variance_decomposition(M_, options_, vd, title_, graph_save_for
             m = m + 1;
         end
     end
-    
+
     dims = size(vd);
     if length(dims) == 3
-  	[T,K,J] = dims;
-  	shocks = vd;
+        T = dims(1);
+        K = dims(2);
+        J = dims(3);
+        shocks = vd;
     else
         T = dims(1);
         K = nvars;
@@ -65,30 +67,25 @@ function plot_ms_variance_decomposition(M_, options_, vd, title_, graph_save_for
         end
         shocks = temp_vd;
     end
-    
+
     for i=1:nvars
         shock_names{i} = endo_names(i,:);
         series_names{i} = endo_names(i,:);
     end
 
-    if nargin < 2
-        title_ = '';
-    end
-
-    x = [1:T]; plot_dates = 0;
-    
+    x = [1:T];
+    plot_dates = 0;
     data = 0;
     steady = 0;
-    
     colors = [ .1 .1 .75
                .8 0 0
                1 .7 .25
-               1 1 0	
-               .5 1 .5 
+               1 1 0
+               .5 1 .5
                .7 .7 .1
                .5 .6 .2
                .1 .5 .1];
-    
+
     % overide the defaults with optional inputs
     for i=1:length(varargin)
         if strcmpi(varargin{i},'data')
@@ -105,11 +102,10 @@ function plot_ms_variance_decomposition(M_, options_, vd, title_, graph_save_for
             colors = varargin{i+1};
         end
     end
-    
+
     % add an extra period to the time series
     x(T+1) = x(T) + (x(T) - x(T-1));
 
-    
     figure('Name',title_)
     for k=1:K
         % Go through each series
@@ -144,13 +140,13 @@ function plot_ms_variance_decomposition(M_, options_, vd, title_, graph_save_for
             plot(x(2:end)',steady(:,k), '--k','LineWidth',2.25);
         end
         if k==K
-	    if exist('OCTAVE_VERSION')
+            if exist('OCTAVE_VERSION')
                 legend(shock_names,'Location','SouthOutside');
-	    else 
-                legend(shock_names,'Location','BestOutside','Orientation','horizontal'); 
+            else
+                legend(shock_names,'Location','BestOutside','Orientation','horizontal');
             end
         end
-        
+
         hold off
         if plot_dates
             datetick 'x';
@@ -159,7 +155,6 @@ function plot_ms_variance_decomposition(M_, options_, vd, title_, graph_save_for
         ylim([0 , 1])
         grid on
         title(series_names{k});
-        %suptitle(title_);
     end
     dyn_save_graph([options_.ms.output_file_tag filesep 'Output' ...
         filesep 'Variance_Decomposition'], 'MS-Variance-Decomposition', ...