Entropy Versus Time - Random Walks

Question

Thomas 2016-7-11

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https://ww2.mathworks.cn/matlabcentral/answers/294867-entropy-versus-time-random-walks

评论： Thomas 2016-7-13

I've created a "Coffee in Cream" random walks program and now I want to create an Entropy (Y) Vs. Time (X) graph.

I know how to create a graph, but how do I get the data?

TIA

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Answer 1

Tyler 2016-7-11

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https://ww2.mathworks.cn/matlabcentral/answers/294867-entropy-versus-time-random-walks#answer_228327

I'm not an expert on this stuff, but you should look into axis handles, here is an answer that may help-

https://www.mathworks.com/matlabcentral/answers/100687#answer_110036

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Thomas 2016-7-13

No that doesn't answer my question, I must not be explaining it properly.

I want to create an Entropy Vs Time graph based off a random walk. I have the Time data, that's easy. I also have the formula for Entropy (s = -sum(p .* log2(p))). My problem is the probability (p in my formula). I know that I can create a grid and from that find out how many molecules of cream are in a certain area in the grid, that gives me p. I just don't know how to do it.

Thanks for the link however, I did learn new information that I'll use in the future.

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