Unusual arrangement of plot

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Zeynab Mousavikhamene
Zeynab Mousavikhamene el 7 de Oct. de 2019
Respondida: Bjorn Gustavsson el 7 de Oct. de 2019
Red line is plotted by matlab but it is unusal and expected to be blue line.
Any idea why this happens?
plot(celltracker_group_prolif.radius(celltracker_group_prolif.time==22),celltracker_group_prolif.perhex(celltracker_group_prolif.time==22),'-rs','LineWidth',2,...
'MarkerEdgeColor','k',...
'MarkerFaceColor','g',...
'MarkerSize',5)

Respuesta aceptada

Jon
Jon el 7 de Oct. de 2019
Editada: Jon el 7 de Oct. de 2019
I assume when you say "Red line is plotted by matlab but it is unusal and expected to be blue line" you mean that you expect the red line to be close to the blue line.
It looks like your data is probably not sorted in order of increasing x value.
You can use the sort command to sort your data. So if your values were in a vector y, and your x values were in a vector x you could sort them according to their x values using
[xsort,isrt] = sort(x)
ysort = y(isrt)

Más respuestas (1)

Bjorn Gustavsson
Bjorn Gustavsson el 7 de Oct. de 2019
Seems like you want the plot done with the radii sorted? (plot plots what you feed it, if you have the x-variable unsorted the plot will be with the x-array as given...). Maybe something like:
x4p = celltracker_group_prolif.radius(celltracker_group_prolif.time==22);
y4p = celltracker_group_prolif.perhex(celltracker_group_prolif.time==22);
% Check the order of x4p!
[~,is] = sort(x4p);
plot(x4p(is),y4p(is),'-rs','linewidth',2,...
'MarkerEdgeColor','k',...
'MarkerFaceColor','g',...
'MarkerSize',5)
HTH

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