Research Article

Novel Degree Constrained Minimum Spanning Tree Algorithm Based on an Improved Multicolony Ant Algorithm

Algorithm 5

ConstructSpanningTree()
begin
 Sort in order of descreasing pheromone level
top Candidates edges from
 Sort in order of increasing edges cost
  while     do
   if     then
    Let be the next edge in
    Remove from
    if adding e into with meet the degree constraint then
     
    else
      next Candidates edges from
    Sort in order of increasing edges cost
return