ManhattanDistance[u, v] gives the Manhattan or "city block" distance between vectors u and v.
MapAll
(Built-in Mathematica Symbol) MapAll[f, expr] or f //@ expr applies f to every subexpression in expr.
MarcumQ
(Built-in Mathematica Symbol) MarcumQ[m, a, b] gives Marcum's Q function Q_m (a, b).MarcumQ[m, a, b_0, b_1] gives Marcum's Q function Q_m (a, b_0) - Q_m (a, b_1).
MatchingDissimilarity[u, v] gives the matching dissimilarity between Boolean vectors u and v.
MathieuC[a, q, z] gives the even Mathieu function with characteristic value a and parameter q.
MathieuS[a, q, z] gives the odd Mathieu function with characteristic value a and parameter q.
MatrixQ
(Built-in Mathematica Symbol) MatrixQ[expr] gives True if expr is a list of lists or a two-dimensional SparseArray object that can represent a matrix, and gives False otherwise. MatrixQ[expr, test] gives ...
MaxExtraConditions is an option to Solve and related functions that specifies how many extra equational conditions on continuous parameters to allow in solutions that are ...
MaxIterations is an option that specifies the maximum number of iterations that should be tried in various built-in functions and algorithms.
MaxRecursion is an option for functions like NIntegrate and Plot that specifies how many recursive subdivisions can be made.