InverseJacobiNC[v, m] gives the inverse Jacobi elliptic function nc -1 (v \[VerticalSeparator] m).
InverseJacobiNS[v, m] gives the inverse Jacobi elliptic function ns -1 (v \[VerticalSeparator] m).
LaplaceDistribution[\[Mu], \[Beta]] represents a Laplace double-exponential distribution with mean \[Mu] and scale parameter \[Beta].
LeafCount[expr] gives the total number of indivisible subexpressions in expr.
LineGraph[g] gives the line graph of the graph g.
LogicalExpand[expr] expands out logical combinations of equations, inequalities, and other functions.
LogisticDistribution[\[Mu], \[Beta]] represents a logistic distribution with mean \[Mu] and scale parameter \[Beta].
LowerTriangularize[m] gives a matrix in which all but the lower triangular elements of m are replaced with zeros. LowerTriangularize[m, k] replaces with zeros only the ...
ManhattanDistance[u, v] gives the Manhattan or "city block" distance between vectors u and v.
MedianDeviation[list] gives the median absolute deviation from the median of the elements in list.