problem in drawing my small program

2011 4 16
2 个回答
回答已采纳
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0 个投票

After greetings and respect
please,anyone tell me about my problem here
when I want to plot using plot command,nothing appear in my
graph,why??
Thanks in advance
clear all;
randn('state',0)
M=input('Enter the number of realization:');
counter=0;
X=randn(M,1);
for k=1:M
if X(k)>2
counter=counter+1;
end
end
proestimated = counter/M;
disp('estimated probability:')
display(proestimated)
plot([-4:1:4],proestimated);

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 采纳的回答

Walter Roberson
Walter Roberson 2011-4-16

2 个投票

proestimated will be a single scalar. The plot documentation does say,
If Xn is a scalar and Yn is a vector, plots discrete Yn points vertically at Xn.
but it does not include the reverse case, where Yn is a scalar and Xn is a vector.
You will need to make the size of the Y value to be plotted the same as your X value to be plotted.

更多回答（1 个）

reem
reem 2011-4-16

0 个投票

Thanks alot Walter,the graph appeared in my program Thank you so so much

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