how to plot (0 1) matrix on figure

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UWM
UWM il 28 Feb 2025
Commentato: Star Strider il 28 Feb 2025
I have a big matrix with 0 and 1:
0 0 0 1 0 1 0 ...
0 0 0 1 0 1 0 ...
1 0 0 1 0 0 1 ...
...
I want to crate a dot plot where axis x wil be the number of columns, axis y will be the number of rows. Dots in line x=1 should apper if in first column vale=1 and not if value =0; dots in line x=2 should apper if in second column vale=1 and not if value=0; etc...
Thanks in advance for help
  2 Commenti
Stephen23
Stephen23 il 28 Feb 2025
M = [0,0,0,1,0,1,0; 0,0,0,1,0,1,0; 1,0,0,1,0,0,1]
M = 3×7
0 0 0 1 0 1 0 0 0 0 1 0 1 0 1 0 0 1 0 0 1
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imagesc(M)
UWM
UWM il 28 Feb 2025
Thank you! It also works perfect!

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Risposta accettata

Star Strider
Star Strider il 28 Feb 2025
I am not certain what you intend by ‘dot plot’, however the spy function exists to do just that, if you only want to depict the elements —
M = [0 0 0 1 0 1 0
0 0 0 1 0 1 0
1 0 0 1 0 0 1];
figure
spy(M)
.
  2 Commenti
UWM
UWM il 28 Feb 2025
Thank you for help!
Star Strider
Star Strider il 28 Feb 2025
As always, my pleasure!

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