How do I plot the values in an array against different values?

Question

cg7aa 2013-10-23

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回答： cg7aa 2013-10-24

I’ve got an array (P) produced using the following:

P0=0.350;
P=zeros(10000,200);
col=0;
format('long');
for k=[0.500:.0125:3.000];
  col=col+1;
  P(1,col)=P0+k*P0*(1-P0);
  for i=[2:1:10000];
      P(i,col)=P(i-1,col)+k*P(i-1,col)*(1-(P(i-1,col)));

I would like to plot the values in the last 200 rows of each column in P against a different number i.e. k value, example, plot the values in the last 200 rows of column 1 against 0.500, column two against 0.5125 and so on all on the same plot.

Thank you.

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Answer 1

Neil Caithness 2013-10-23

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https://ww2.mathworks.cn/matlabcentral/answers/91285-how-do-i-plot-the-values-in-an-array-against-different-values#answer_100664

在 MATLAB Online 中打开

Try this

plot(P(end-200+1:end,:),[0.500:.0125:3.000])

It's a nice looking tree plot. May be what you want.

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cg7aa 2013-10-24

Thank you sir, I haven't had the chance to re-run it yet but it sounds like you can see the bifurcation diagram I was looking for so hopefully it works!

Neil Caithness 2013-10-24