Equation 30 · Part 1 · Einstein's Random Walk and the Mathematics of Genetic Drift
Symbol x
What this part means
x is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
x is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol x→Article meaning
The passage around this formula
…with absorbing walls added. That is what a formal analogy done right looks like, and it is the reason a page of Kimura’s diffusion equation and a page of Einstein’s, with the axis labels covered, are the same page with x renamed p .
Learn the underlying idea
A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
Open the illustrated variables: a letter stands for a value guide →
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