How to save a high resolution image in MTALB?

Hi

I want to save my images in MATLAB with minimum 300DPI roslution. Following is my figure code (below) and when I try to save with following code (exportgraphics(f,'elastic avo.png','Resolution',300)) I go this error

Undefined function or variable 'exportgraphics'.

Error in PLOTTING (line 24)

exportgraphics(f,'elastic avo.png','Resolution',300)

Figure code is:

f=figure; subplot(121); plot(iters,hist/max(hist),'-b', 'displayname', 'S/N = Infinity','LineWidth',1.5); hold on;

plot(iters,hist_snr/max(hist_snr),'-.r', 'displayname', 'S/N = 50','LineWidth',1.5);

set(gca,'xtick',[0:100:200]); set(gca,'ytick',[0:0.2:1]); ylim([0 1]); title('Elastic inversion')

grid on; set(gca,'GridLineStyle','--'); xlabel('Iterations'); ylabel('Error function'); legend

subplot(122); plot(itr4d,avo4dhist/max(avo4dhist),'-b', 'displayname', 'S/N = Infinity','LineWidth',1.5); hold on;

plot(itesnr,avohist_snr/max(avohist_snr),'-.r', 'displayname', 'S/N = 5','LineWidth',1.5);

set(gca,'xtick',[0:10:50]); set(gca,'ytick',[0:0.2:1]); ylim([0 1])

grid on; set(gca,'GridLineStyle','--'); xlabel('Iterations'); ylabel('Error function'); legend

set(gcf, 'position', [400 285 1127 443]);

exportgraphics(f,'elastic avo.png','Resolution',300)

Answer 1

[Jonas]

exportgraphics() is available since 2020a

which release are you using?

[Nisar Ahmed]

@Jonas I am using R2018b

[Jonas]

so that's your problem. exportgraphics is not available to you. To save at resolution 300dpi, you can e.g. use

print('elastic avo.png','-dpng','-r300')