plot and hist in matlab

2011 4 7
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please anybody answer me How can I get two plot in one graph using bar or hist or plot
and how can I use ((hold and grid command)) with plot and hist
Thanks in advance

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Matt Fig
Matt Fig 2011-4-7

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Two histograms:
x = -2.9:0.1:2.9;
y = randn(10000,1);
hist(y,x)
h = findobj(gca,'Type','patch');
set(h,'FaceColor','r','EdgeColor','w')
z = randn(size(y))/3;
hold on % make sure next one shows up.
hist(z,x)

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reem
reem 2011-4-7
Thank you Matt and sorry for bothering you
when I apply this manner,only one line appear on the graph
I have two value,one value(estimated and another true)
and I want to plot tow these values in the same graph and when I used your manner only one line appeared on the graph,what is the problem?
Matt Fig
Matt Fig 2011-4-7
Did you copy and paste the above code completely?
reem
reem 2011-4-7
Yes,but I changed some variables to run my program
x = -2.9:0.1:2.9;
hist(proestimated,x)
h = findobj(gca,'Type','patch');
set(h,'FaceColor','r','EdgeColor','w')
hold on
hist(True_probability,x)
Matt Fig
Matt Fig 2011-4-7
Does the second hist cover up the first? Try hist(True_probability,x) first, then doing hist(proestimated,x).
reem
reem 2011-4-7
I do that but nothing is changed
the same result appeared

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