MATLAB: Covert 128 binary string into hex decimal

hex converter

i have 128 bit binary string how to convert it into hex decimal string ?

Best Answer

b = your binary digits vector
d = [8 4 2 1]*reshape(b,4,[]);
h = sprintf('%x',d);

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MATLAB: Convert binary string into hex

lookup = containers.Map(cellstr(dec2bin(0:15,4)),cellstr(dec2hex(0:15)));
binary_string = '0101010011101010';
output = cellfun(@(S) lookup(S), cellstr(reshape(binary_string, 4, []).')).';

This code assumes that binary_string is a multiple of 4 bits.

This is definitely not the only way to do the task. It has the advantage, though, that it does not need to convert the inputs into numeric form.

Another way:

output = cell2mat(regexprep(cellstr(reshape(binary_string,4,[]).'), cellstr(dec2bin(0:15,4)), cellstr(dec2hex(0:15)),'once').');

MATLAB: Convert binary to hex

>> B = '1110001111001100111110010000001111010000000001111111100011110011001111100100000011110100000000011111111000111100110011111001000000111101000000000111111110001111001100111110010000001111010000000001111111100011110011001111100100000011110100000000011111000111';
>> H = dec2hex(bin2dec(reshape(B,4,[]).')).' % exact
H = E3CCF903D007F8F33E40F401FE3CCF903D007F8F33E40F401FE3CCF903D007C7
>> D = hex2dec(H) % loss of precision due to conversion to floating point!
D = 1.0304e+77

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MATLAB: Convert binary string into hex

MATLAB: Convert binary to hex

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