According to Jeff Miller's Earliest Known Uses of Some of the Words of Mathematics, the term kernel was first used in this meaning by Pontryagin (in translation by Lehmer) in the slightly broader context of group homomorphisms. It doesn't say why Pontryagin or Lehmer chose that particular word though.
matrices - Word origin / meaning of 'kernel' in linear algebra ...
78 A semicolon is used to separate variables from parameters. Quite often, the terms variables and parameters are used interchangeably, but with a semicolon the meaning is that we are defining a function of the parameters that returns a function of the variables.
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Urdu Language Urdu belongs to the Indo-European or, more specifically, the Indo-Aryan language family. Apart from serving as the lingua franca in Pakistan, it is also used in six states of India, and is one of its 22 official languages. It is closely related to Hindi and was officially recognized during the British Raj in 1837. Urdu was strongly influenced by Persian and Arabic and almost all ...