gf_mesh_fem_get_eval
gf_plot_1D
gf_asm_pdetoolbc
ison
has_field
gf_plot_mesh
isnumeric
_setdiff
null_space
cross
surfnorm
isscalar
gf_colormap
add_empty_bound
champ3
assert_field
spdiags
gf_compute_Q1grid_interp
dot
gf_plot_slice
gf_plot
build_options_list
assert
init_pde
gf_solve
gf_interpolate_on_grid
repmat
asserterr
gfassert
isauto
cart2pol
