FileBaseName["file"] gives the base name for a file without its extension.
FileExtension["file"] gives the file extension for a file name.
FileNameDepth["file"] gives the number of path elements in the file name " file".
FileNameDrop["name", n] drops the first n path elements in the file name " name".FileNameDrop["name", -n] drops the last n path elements in the file name " ...
FindLibrary[lib] finds a dynamic library that can be loaded by LibraryFunctionLoad.
FunctionSpace is an option for FindSequenceFunction and related functions that specifies the space of functions to consider for representations.
GainMargins[sys] gives the gain margins of the linear time-invariant system sys.
GeodesicDilation[marker, mask] gives the fixed point of the geodesic dilation of the image marker constrained by the image mask.
GeodesicErosion[marker, mask] gives the fixed point of the geodesic erosion of the image marker constrained by the image mask.
GeoDirection[{lat_1, long_1}, {lat_2, long_2}] gives the azimuthal direction from one latitude-longitude position on the Earth to another.GeoDirection[pos_1, pos_2] gives the ...