Symbol in context

$N_0$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Meanings in context

Article-grounded definition

the initial population.

N(t) = N_0\, e^{-\lambda t}, \qquad t_{1/2} = \frac{\ln 2}{\lambda},

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

N_0

the initial population.

N_0

the initial population.