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Macaulay2Doc :: betti(Matrix)

betti(Matrix) -- display of the degrees of a map

Synopsis

Description

i1 : S = ZZ/10007[x,y];
i2 : betti matrix{{x^3,x*y^2},{y*x,y^2}}

            0 1
o2 = total: 2 2
         0: 2 .
         1: . .
         2: . 2

o2 : BettiTally
For an explanation of the diagram, see betti(GradedModule).For an explanation of the diagram, see betti(GradedModule).

Caveat

The diagram ignores the degree of the map itself.