Hexadecimal to binary

HEX2BIN Convert hexdecimal string to a binary string.

% HEX2BIN(h) returns the binary representation of h as a string.
%
%
% HEX2BIN(h,n) produces a binary representation with at least
% N bits.
%
% Example
% hex2bin('f') returns '1111'
% hex2bin('fa') returns '1111 1010'
% hex2bin(['f' 'a'],4) returns
% 0010 1111
% See also BIN2DEC, DEC2HEX, DEC2BASE.

%
% This function implemented with the help of hex2dec and dec2bin