time constant
English
editNoun
edittime constant (plural time constants)
- (mathematics) A characteristic of an exponential function, represented by τ in the function:
- .
- (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.
- For radioactivity: the decay constant.
Alternative forms
editTranslations
editmath: characteristic of exponential function
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physics: characteristic of step response
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