CS Knowledge Base

• regularisation (non-Oxford British English)

From regular + -ization.

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regularization (countable and uncountable, plural regularizations) (American spelling, Oxford British English)

1. The act of making regular, of regularizing.
   • 1881, S. Janicki, A. Pasqueau, L. Jacquet, translated by William Emery Merrill, Improvement of Non-tidal Rivers: Memoirs‎^[1], Washington: U.S. Government Printing Office, →OCLC, page 17:

     The history of the regularization of rivers, both in Russia and in Western Europe, hardly shows us anything but failures.

2. (mathematics, computer science, finance) a process that simplifies results, often used to obtain results for ill-posed problems or to prevent overfitting.
   • 2020 March 30, Ratinan Boonklurb, Ampol Duangpan, Phansphitcha Gugaew, “Numerical Solution of Direct and Inverse Problems for Time-Dependent Volterra Integro-Differential Equation Using Finite Integration Method with Shifted Chebyshev Polynomials”, in Symmetry‎^[2], volume 12, number 4, →DOI:

     A large regularization parameter may over-smoothen the solution, while a small regularization parameter may lose the ability to stabilize the solution.