I want to plot non-zero consecutive segments from an array

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Shweta Saboo
Shweta Saboo 2021 年 10 月 7 日
コメント済み: Walter Roberson 2021 年 10 月 7 日
I have a data which contains zero and non-zero values in segments like [0 0 0 1 2 3 0 0 0 0 8 9 6]. I want to plot the non-zero values which are in sequence like [1 2 3] and [8 9 6] separately.

回答 (1 件)

Walter Roberson
Walter Roberson 2021 年 10 月 7 日
編集済み: Walter Roberson 2021 年 10 月 7 日
A = [0 0 0 1 2 3 0 0 0 0 8 9 6]
A = 1×13
0 0 0 1 2 3 0 0 0 0 8 9 6
starts = strfind([false, logical(A)], [0 1])
starts = 1×2
4 11
stops = strfind([logical(A), false], [1 0])
stops = 1×2
6 13
hold on
arrayfun(@(B,E) plot(B:E, A(B:E), '-*'), starts, stops);
hold off
xlim auto; ylim auto
  2 件のコメント
Shweta Saboo
Shweta Saboo 2021 年 10 月 7 日
Thank you so much for the quick answer. But I want to plot each segment into different figure.
Walter Roberson
Walter Roberson 2021 年 10 月 7 日
A = [0 0 0 1 2 3 0 0 0 0 8 9 6]
A = 1×13
0 0 0 1 2 3 0 0 0 0 8 9 6
starts = strfind([false, logical(A)], [0 1])
starts = 1×2
4 11
stops = strfind([logical(A), false], [1 0])
stops = 1×2
6 13
arrayfun(@(B,E) plot(gca(figure()), B:E, A(B:E), '-*'), starts, stops);

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