The function
in an integral or integral
transform
Whittaker and Robinson (1967, p. 376) use the term nucleus for kernel.
The function
in an integral or integral
transform
Whittaker and Robinson (1967, p. 376) use the term nucleus for kernel.
Weisstein, Eric W. "Integral Kernel." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/IntegralKernel.html