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2.9 Extrema of a D.S. B

Preprocessor MAXDXX is used to obtain the extreme solution values contained in a D.S. B and the d.o.f. at which these extrema occur. The module called is MAXDLB.

      SUBROUTINE MAXDLB(M,XM,DM,NFB,NIB,MAXI,NIMPR)
C  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
C  AIM : PRINT PER LOCAL D.O.F. THE NIMPR NODES WITH THE
C  ---   OPTIMUM RESULT W.R.T. MAXI
C  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

where

• M, XM and DM designate the super array,
• NFB, NIB are the file number and level of structure B,
• MAXI is the choice of optimum:

  1

  : maximum (decreasing order)

  -1

  : minimum (increasing order)

  0

  : maximum of the absolute value (decreasing order)

• NIMPR the number of nodes to be printed, sorted in decreasing order for the above choice.