time constant

Wikipedia

English

Noun

time constant (plural time constants)

1. (mathematics) A characteristic of an exponential function, represented by τ in the function:

   $y(t) \ = \ y_o e^{-t / \tau} \$.

2. (physics) The time in which a physical system's response to a step-wise change in an external variable reaches approximately 63% of its final (asymptotic) value.

Translations

math: characteristic of exponential function

• Finnish: aikavakio (fi)

physics: characteristic of step response

• Finnish: aikavakio (fi)