Equation 1 · Part 3 · Einstein's Random Walk and the Mathematics of Genetic Drift
Symbol t
What this part means
t 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
t 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 t→Article meaning
The passage around this formula
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:
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 →
See this notation across published equations →
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 ↗
These citations provide research context; check each source for the exact claim it supports.