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(./FEM/Contents.m)

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 OPNML/MATLAB5 FEM-related routines
 Version 3.0
 24 July, 1998

 These are functions that are specific to FEM data structures,
 usually requiring the domain structure fem_grid_struct as input.

BASIS2D      compute basis functions for input points in FEM grid
BELINT       compute shape function information for a FEM domain
BWIDTH       compute the full bandwidth of an FEM element list
COLORMESH2D  draw a FEM mesh in 2-d colored by a scalar quantity.
COLORMESH3D  draw FEM mesh in 3-d given, colored by a scalar field.
CURL         compute the CURL of a FEM 2-D vector field
DETBNDY      compute a boundary segment list for a FEM domain
DIVG         compute the divergence of a FEM 2-D vector field
DRAWELEMS    draw 2-D FEM element configuration 
DRAWELEMS3D  draw 2-D FEM element configuration in 3-D
DRAWVEC      draw arrows for vectors
EL_AREAS     compute triangular finite element areas
ELE2NEI      build a FEM neighbor list from element and node lists
ELGEN        generate an element list for a rectangular FEM mesh
FEM_DATA_STRUCT FEM data description structure
FEM_GRID_STRUCT FEM grid description structure
FEM_ICQ4_STRUCT FEM icq4 data description structure
FINDELEM     element finding utility
GRAD         compute the gradient of a FEM 2-D scalar field
GRIDINFO     display info about fem_grid_struct
HORZSLICEFEM slice a FEM domain horizontally
INTERP_SCALAR interpolate scalar values onto scatter points
IS_VALID_STRUCT determine if the input structure is "valid"
IS_VALID_STRUCT2 determine if the input structure is "valid"
LABCONT      label contours drawn with LCONTOUR
LCONTOUR     contour a scalar on a FEM grid.
LOADGRID     load principle gridfiles for a given FEM domain
NUMBND       number boundary nodes on current axes in viewing region.
NUMELEMS     number elements on current axes in viewing region.
NUMNODES     number nodes on current axes.
PLOTBND      plot boundary of FEM mesh
PLOTDROG     plot drogue .pth file output from DROG3D or DROG3DDT.
REDUCE       compute a bandwidth-reduced FEM domain connectivity list
SHOWELEM     highlight and display statistics on selected element
VECPLOT      routine to plot vectors.  
WHICH_ELEM   determine bounding finite element in given domain