function?[data?count]?=?freadbk（infile?lines?bkformat?r0?rN?c0?cN）;
%?FREADBK??--??Read?binary?data?file.
%
%???DATA?=?FREADBK?pops?up?a?menu?to?select?a?filename?asks?for?the?number
%???of?lines?and?format?of?the?input?file?and?reads?in?the?data?（double）.
%
%???DATA?=?FREADBK（FILENAME）?fopens?the?specified?file?with?read?permission?and
%???returns?a?row?vector?DATA.??Format?is?assumed?to?be?float32?format.
%
%???[DATA?COUNT]?=?FREADBK（FILENAME）?optionally?returns?the?number?of?elements
%???successfully?read.
%
%???[DATA?COUNT]?=?FREADBK（FILENAME?NUMLINES）?includes?an?optional?NUMLINES
%???argument?for?the?number?of?lines?in?the?file.??Matrix?DATA?is?returned?of
%???size?NUMLINES?rows?and?the?appropriate?number?of?columns.
%
%???[DATA?COUNT]?=?FREADBK（FILENAME?NUMLINES?BKFOR