plot N*N pane questions

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chengxuan yu 2012-7-18

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https://ww2.mathworks.cn/matlabcentral/answers/43905-plot-n-n-pane-questions

I want to plot a N*N pane figure, N is an integer.Who know how can I do that? Thanks in advance; any comments will be appreciate.

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chengxuan yu 2012-7-23

Sorry for the long time no come. Because my family has some circs. I just realize plot the pane. And I don't konw how to come true that game. I konw it should be progammed in GUI. But i should know the basic programme first. The following step that I want to konw is how to fill the N pane among the 10*10 pane to black? N is random. Thank you for your help first.

Image Analyst 2012-7-23

编辑：Image Analyst 2012-7-23

Hmmmm.... Looks like Google Translate didn't do such a good job on that one. Maybe if you reviewed some of Doug Hull's video tutorials ( http://blogs.mathworks.com/videos/) on GUI development you might learn how to do whatever it is that you want to do.

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回答（1 个）

Walter Roberson 2012-7-23

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/43905-plot-n-n-pane-questions#answer_54277

在 MATLAB Online 中打开

pane = zeros(10,10);
temp_idx_to_fill = randperm(numel(pane));
idx_to_fill = temp_idx_to_fill(1:N);
[row_to_fill, col_to_fill] = idx2sub(size(pane), idx_to_fill);

Now fill the locations at [row_to_fill(1), col_to_fill(1)], [row_to_fill(2), col_to_fill(2)] and so on.