Equation 1 · Einstein's Random Walk and the Mathematics of Genetic Drift
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Symbol f
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Symbol x
x is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Symbol t
t is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
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What the article says around this equation
Working through the statistical mechanics of a wall permeable to solvent but not to suspended particles, Einstein arrived at a differential equation for how the concentration f(x,t) of particles along one axis changes over time:
Sources cited in the article section
- [1] On the Motion of Small Particles Suspended in Liquids at Rest Required by the Molecular-Kinetic Theory of Heat ↗
- [2] Jean Baptiste Perrin ↗
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