function?[meshheadermedia]=gprmax2g（name）;

%?GPRMAX2G??Read?binary?data?representing?the?numerical?grid?used?by?‘GprMax2D‘?
%???????????simulator?for?ground?probing?radar.
%
%???????????[meshheadermedia]?=?gprmax2g（?‘filename‘?）
%???????????filename?is?the?name?of?the?binary?format?file.
%
%???????????mesh?is?an?M?x?N?matrix?which?contains?the?identification?number?for?
%???????????each?region?with?different?electrical?properties.?
%
%???????????PLEASE?NOTE:?mesh?IS?STORED?AS?A?2?BYTE?INTEGER?IN?THE?LATEST?
%????????????????????????GPRMAX2D?VERSION?AND?NOT?AS?AN?UNSIGNED?CHAR
%
%???????????M?（the?number?of?rows）?is?the?number?of?Yee?cells?in?the?y?direction.?
%???????????N?（the?number?of?rows）?is?the?number?of?Yee?cells?in?the?x?direction.?
%???????????
%???????????header?is?a?structu