reporting: @graph: add new option graphSize

doc/dynare.texi

@@ -8240,7 +8240,7 @@ command. Default: @code{`!'}
 @end table
 @end defmethod
 
-@defmethod Report addGraph data, figname, showGrid, showLegend, showLegendBox, legendLocation, legendOrientation, legendFontSize, seriesToUse, shade, shadeColor, shadeOpacity, title, xlabel, ylabel, xrange, yrange, showZeroline
+@defmethod Report addGraph data, figname, graphSize, showGrid, showLegend, showLegendBox, legendLocation, legendOrientation, legendFontSize, seriesToUse, shade, shadeColor, shadeOpacity, title, xlabel, ylabel, xrange, yrange, showZeroline
 Adds a @code{Graph} to a @code{Section}.
 @optionshead
 @table @code
@@ -8253,6 +8253,12 @@ The @code{dynSeries} that provides the data for the graph. Default:
 The name to use when saving this figure. Default: @code{[tempname
 `.tex']}
 
+@item graphSize, @code{NUMERICAL_VECTOR}
+The width and height to be passed to the third and fourth elements of
+the array passed to the @code{`Position'} option of Matlab's
+@code{figure} command, passed as a vector of size @math{2}. Default:
+Matlab sets width and height
+
 @item showGrid, @code{BOOLEAN}
 Whether or not to display the minor grid on the graph. Default:
 @code{true}

matlab/reports/@graph/createGraph.m

@@ -38,7 +38,11 @@ if ~o.seriesElements.numSeriesElements()
     return;
 end
 
-h = figure('visible','off');
+if isempty(o.graphSize)
+    h = figure('visible','off');
+else
+    h = figure('visible','off','position',[1, 1, o.graphSize(1), o.graphSize(2)]);
+end
 hold on;
 box on;
 if o.showGrid

matlab/reports/@graph/graph.m

@@ -59,6 +59,8 @@ o.legendFontSize = 8;
 
 o.showZeroline = false;
 
+o.graphSize = [];
+
 if nargin == 1
     assert(isa(varargin{1}, 'graph'),['@graph.graph: with one arg you ' ...
                         'must pass a graph object']);
@@ -127,6 +129,10 @@ assert(isempty(o.data) || isa(o.data, 'dynSeries'), ['@graph.graph: data must '
 assert(isempty(o.seriesToUse) || iscellstr(o.seriesToUse), ['@graph.graph: ' ...
                     'series to use must be a cell array of string(s)']);
 
+assert(isempty(o.graphSize) || ((isfloat(o.graphSize) && length(o.graphSize) == 2)),...
+       ['@graph.graph: graphSize is specified as an array with two float ' ...
+        'entries, [width height]']);
+
 % using o.seriesToUse, create series objects and put them in o.seriesElements
 if ~isempty(o.data)
     if isempty(o.seriesToUse)