How to increase the size of figures in Report Generator

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Hello,
I want to have 2 figures per page in my report but I cant figure out how to maximize the size of my figures so that I am left with an 1 inch margin around each page. Best I could manage is below.
Any ideas ?
Thank you,
import mlreportgen.report.*
import mlreportgen.dom.*
rpt = Report('test', 'pdf');
open(rpt)
for i = 1:3
x = [1 2 3 4];
y = [2 4 6 8];
% raw scatter plot
figure();
scatter(x, y);
title('raw data')
xlabel('x axis');
ylabel('y axis');
set(gcf, 'Position', [200 200 600 450])
% Format figure for document
figure = Figure();
img = Image(getSnapshotImage(figure, rpt));
img.Width = '5.2in';
img.Height = [];
halign = mlreportgen.dom.HAlign('center');
img.Style = [img.Style(:)' {halign}];
delete(gcf);
% Add figure to document
add(rpt, img);
% Log data scatter plot with outliers
figure();
scatter(log(x), log(y));
title('log data')
xlabel('x axis');
ylabel('y axis');
set(gcf, 'Position', [200 200 600 450])
% Format figure for document
figure = Figure();
img = Image(getSnapshotImage(figure, rpt));
img.Width = '5.2in';
img.Height = [];
halign = mlreportgen.dom.HAlign('center');
img.Style = [img.Style(:)' {halign}];
delete(gcf);
% Add figure to document (2 figures per page)
add(rpt, img);
end

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