cnoidal

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Describes a travelling wave whose amplitude is constricted; e.g. a wave in shallow water. not-comparable

词源

Coined by Diederik Korteweg and Gustav de Vries in their paper in Philosophical Magazine (1895, series 5, vol. 39, pp. 422-443) to describe a class of solutions to the KdV equation which involve a Jacobi elliptic function. The Jacobi elliptic function involved is commonly written as cn(x|m), and the term cnoidal was designed to be analogous to sinusoidal, the word describing waves which involve the sine function.
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