Graph only plotting 1 point

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See Kai Xiang
See Kai Xiang 2021-10-20
评论： See Kai Xiang 2021-10-23
Hi all, i am unable to plot my graph using my code, for some reason whenever i plot it, MATLAB would simply show me a blank graph, which i woould assume that the graph only plotted 1 point. However, i do not understand why it would only point a single point.
This is my code, where T is my data set of 261345 X 1
figure(3)
hold on
for q=0:0.1:max(n)
Num=sum(T>q)
datasize=261345 % have to change manually
P=Num/datasize
semilogy(q,P)
hold on
end

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Cris LaPierre
Cris LaPierre 2021-10-20
编辑：Cris LaPierre 2021-10-20
The default syntax does not include a marker style. If your plot is only a single point, then you cannot see the line. Just include a markerstyle.
for q=0:0.1:max(n)
Num=sum(T>q)
datasize=261345 % have to change manually
P=Num/datasize
semilogy(q,P,'o')
hold on
end
hold off

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