plot of 2D-Matrix, frequency/duration
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Hi all, I have matrix showing how long a electrcal device was working at a certain current and a certain temperature in SECONDS, e.g.
ans =
1.0e+004 *
0 0 0 0 0
0.0060 0.0268 0.1049 0.1551 0
0.1889 0.0697 1.2819 0.5237 0
0.0229 0.0254 0.1810 0.2097 0
0 0 0 0 0
and you can define the columns (x-Axis) as Voltage: ans =
270 285 315 345 360
and the rows (y-Axis) as Temperature
ans =
20
25
35
45
50
Do you know any possibility how to show those duration graphically? One possibility could be to have a matrix of points and the size of the points to be dependant of the values, but I don't know how to do this.
Thanks a lot for your help! Oli
采纳的回答
Daniel Shub
2011-10-2
Something like:
[x, y] = meshgrid(1:5, 1:5);
z = 20*rand(5, 5);
scatter(x(:), y(:), z(:))
更多回答（2 个）
Image Analyst
2011-10-2
0 个投票
Try calling plot() first (to get lines between the points if you want that), and then call "hold on" and scatter() after that. Scatter() take an argument where you can specify the marker sizes.
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