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The viscosity index (VI) is an arbitrary, unit-less measure of a fluid's change in viscosity relative to temperature change. It is mostly used to characterize the viscosity-temperature behavior of lubricating oils.
Fix a complex number .If = for and () =, then () = ⌊ ⌋ and the formula becomes = ⌊ ⌋ = ⌊ ⌋ + ⌊ ⌋ +. If () >, then the limit as exists and yields the ...
This reduces the number of matrix additions and subtractions from 18 to 15. The number of matrix multiplications is still 7, and the asymptotic complexity is the same. [6] The algorithm was further optimised in 2017, [7] reducing the number of matrix additions per step to 12 while maintaining the number of matrix multiplications, and again in ...
87 is: . the sum of the squares of the first four primes (87 = 2 2 + 3 2 + 5 2 + 7 2).; the sum of the sums of the divisors of the first 10 positive integers. [1]the thirtieth semiprime, [2] and the twenty-sixth distinct semiprime [3] and the eighth of the form (3.q).