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 2022-3-19

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https://ww2.mathworks.cn/matlabcentral/answers/1675469-how-to-generate-random-numbers-in-a-cell-of-10m-by-10m-with-20-nodes-and-assign-numbers-to-each-node

评论： Felix Obite 2022-3-19

采纳的回答： David Hill

I want to reproduce exactly the attached figure. Can anyone help with codes for generating the attached figure

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Felix Obite 2022-3-19

Its working now, size inputs must be interger values. Many thanks

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采纳的回答

David Hill 2022-3-19

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1675469-how-to-generate-random-numbers-in-a-cell-of-10m-by-10m-with-20-nodes-and-assign-numbers-to-each-node#answer_921784

在 MATLAB Online 中打开

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';