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Commentary Index | Return to PrayerRequest.com | DownloadNoah Webster Dictionary (1913 edition): Covariant
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(n.) A function involving the coefficients and the variables of a quantic, and such that when the quantic is lineally transformed the same function of the new variables and coefficients shall be equal to the old function multiplied by a factor. An invariant is a like function involving only the coefficients of the quantic.