isPure(TropicalCycle) -- checks whether a tropical cycle is pure

• Function: isPure

• Usage:

  isPure(T)

• Inputs:
  • T, a tropical cycle,
• Outputs:
  • B, a Boolean value,

i1 : F=fan ({posHull(matrix{{1,2,3},{0,2,0}}),posHull(matrix{{0},{1}})});

i2 : T=tropicalCycle (F,{1,2});

i3 : isPure T

o3 = false