sum Tally -- sum of elements

sum Tally -- sum of elements

Synopsis:

Function: sum -- compute the sum

Input:

an instance of class Tally.

sum v -- yields the sum of the elements in the tally v.

i1 : a = tally{1,1,1,1,1,10,10,10,100,100}



o1 = Tally{1 => 5  }

           10 => 3

           100 => 2



o1 : Tally

i2 : sum a



o2 = 235

See also:

sum -- compute the sum

Code:

     -- ../../../Macaulay2/m2/set.m2:29
     sum(Tally) := (w) -> sum(pairs w, (k,v) -> v * k)