Look up quasilinear in Wiktionary, the free dictionary.

Quasilinear may refer to:

• Quasilinear function, a function that is both quasiconvex and quasiconcave
• Quasilinear utility, an economic utility function linear in one argument
• In complexity theory and mathematics, quasilinear time O(n (log n)^k), or sometimes more specifically O(n log n)
• Quasilinear equation, a type of differential equation where the coefficient(s) of the highest order derivative(s) of the unknown function do not depend on highest order derivative(s)

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