Sampling Function
The 1-D sampling function is given by
where
is the Dirac Delta Function. The 2-D version is
which can be weighted to
where
is a reliability weight, 
is a density weight (Weighting Function), and 
is a taper.See also Shah Function, Sinc Function- Lobachevsky's Formula
- Lobatto Quadrature
- Lobster
- Local Cell
- Local Degree
- Local Density
- Local Density Conjecture
- Local Extremum
- Local Field
- Local-Global Principle
- Local Group Theory
- Locally Convex Space
- Locally Finite Space
- Locally Pathwise-Connected Space
- Local Maximum
- Local Minimum
- Local Ring
- Local Subgroup
- Local Surface
- Loculus of Archimedes
- Locus
- Log
- Logarithm
- Logarithmically Convex Function
- Logarithmic Binomial Formula