1 # create a MeqCondeq node called 'condeq'. A MeqCondeq will contain
   2 # both a vellset values field and a perturbed values record after a
   3 # solver has issued the request to the Condeq. In out example
   4 # the Condeq node would have two child nodes called 'add' and 'coeff'
   5 
   6   ns['condeq'] <<Meq.Condeq(ns['add'],ns['coeff'])
   7 
   8 # create a MeqStripper node simply to show that it does something
   9   ns['stripper'] << Meq.Stripper(ns['condeq'])
  10 
  11 # create a solver
  12   ns['solver'] << Meq.Solver(
  13       num_iter=3,debug_level=10,solvable="coeff", children = ns['condeq'])
  14 
  15 # create a ReqSeq
  16   ns['reqseq'] << Meq.ReqSeq(ns['solver'],ns['stripper'], result_index=1)
  17 
  18 # The ReqSeq issues requests to both of its children in sequence. So the
  19 # solver will receive a request first. The solver will then request data
  20 # from the condeq. This causes the condeq to generate perturbed_value
  21 # records in its vellset. Then the Stripper will issue its request to the
  22 # condeq. The Stripper will get the condeq's vellset minus the perturbed_value
  23 # record.