How do we change the size of a figure (graph) to be larger than the default?

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Emerson De Souza 2012-10-3

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Hi, the size of my screen is 1366x768 (width x height). How can I force the graph below (via command line) to use the entire screen instead of a small figure?

w = 0:pi/100:2*pi;
y1 = sin(w)';
h=plot(w,y1);

I thank you in advance for your help

Emerson

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Answer 1

José-Luis 2012-10-3

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https://ww2.mathworks.cn/matlabcentral/answers/49711-how-do-we-change-the-size-of-a-figure-graph-to-be-larger-than-the-default#answer_60746

在 MATLAB Online 中打开

scrsz = get(0,'ScreenSize');
figure('Position',scrsz);
plot(rand(10,1));

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Emerson De Souza 2012-10-3

在 MATLAB Online 中打开

Hi Jose Luis, it apparently does what I need, but if I plot something else (see below) it does not work. Do you know what I may be doing wrong with the sequence of the commands?

w = 0:pi/100:2*pi;
y1 = sin(w)';
y2 = sin(w-.25)';
y3 = sin(w-.5)';
startDate = datenum('09-28-2012 09:00:00 AM');
endDate = datenum('09-28-2012 12:20:00 PM');
x = linspace(startDate,endDate,201);
DATAVECTOR=datevec(x);
h=subplot(1,1,1);
plot(x,y1,x,y2,x,y3)
set(h,'XTick',x)
datetick(h,'x','HH','keeplimits')
set(h,'LineWidth',2)
scrsz = get(0,'ScreenSize');
figure('Position',scrsz);
legend(h,'sin(x)','sin(x-0.25)','sin(x-0.50)',1)
set(gca)
set(gca,'FontSize',12, 'FontName','Arial','FontWeight','bold','Color','w','LineWidth',2)
title('TEST','FontSize',26, 'FontName','Arial', 'FontWeight','bold')
xlabel('Hour','FontSize',20, 'FontName','Arial','FontWeight','bold')
ylabel('Value','FontSize',20, 'FontName','Arial','FontWeight','bold')

Thank you a lot in advance for your attention,

Emerson

Emerson De Souza 2012-10-3

It means, if you run the code above, you will obtain two figures: the first with the curves and a second with the correct size but empty. I wished to have the empty figure with the curves in it.

Thank you

Emerson

José-Luis 2012-10-3

See my previous comment.

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Answer 2

Azzi Abdelmalek 2012-10-3

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编辑：Azzi Abdelmalek 2012-10-3

在 MATLAB Online 中打开

set(gcf, 'PaperUnits', 'centimeters','PaperPosition', [0 0 15 15])

% you can change paperunits to 'inches' or 'points',...

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Emerson De Souza 2012-10-3

Hi Azzi, I tried your suggestion and varied the values (0 0 15 15) but it does nothing to the figure (image or graph). Did you tried and worked?

Thank you for your help

Emerson

Azzi Abdelmalek 2012-10-3

编辑：Azzi Abdelmalek 2012-10-3

Ok, because it changed it when you save it to an image file (jpg,...)

José Luis's code is fine

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How do we change the size of a figure (graph) to be larger than the default?

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