how to generate random numbers in a cell of 10m by 10m with 20 nodes and assign numbers to each node

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Felix Obite
Felix Obite 2022-3-19
评论： Felix Obite 2022-3-19
I want to reproduce exactly the attached figure. Can anyone help with codes for generating the attached figure

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David Hill
David Hill 2022-3-19
SU=10*rand(20,2);%sample points example
PU=10*rand(10,2);%sample points example
scatter(SU(:,1),SU(:,2),'k*')
hold on;
text(SU(:,1),SU(:,2),[num2str((1:20)'),repmat(' ',20,1)],'HorizontalAlignment','Right')
scatter(PU(:,1),PU(:,2),'k+')
text(PU(:,1),PU(:,2),[num2str((1:10)'),repmat(' ',10,1)],'HorizontalAlignment','Right')
legend('SU','PU','Location','southwest');
ax=gca;
ax.XTick=0:10;
ax.YTick=0:10;
ax.Box='on';
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