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No, I don't even know what the LaPlacian is. The name is just a coincidence.

I've started using probability trees lately to calculate the expectation of various all-in moves. This is new to me, but it occured to me I could use something similar for determining the chances of flopping various hands. But thanks to BruceZ I see now there are better ways to do it.

I'm not writing any code or anything, this is all just scribbles on paper.

Thanks for your response.