Input dialog boxes accepts binary bit sequence

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Lorrenzo Francis
Lorrenzo Francis 2019-3-13
评论： Lorrenzo Francis 2019-3-14
After entering a binary bit sequence in an input dialog box, I'm having issues when I try to convert it to a numeric value. When the str2num function is used, the leading zeros are erased. Below is my code:
prompt = {'Enter bit sequence (max 8 bits):'};
ititle = 'Input';
dims = [1 35];
temp1 = inputdlg(prompt,ititle,dims);
temp2 = str2num(temp1{1});
bit_sequence = str2num(num2str(temp2).');
disp(bit_sequence)
If the input is 0110, the output is
1
1
0
I would like to know how to keep the leading zero.

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采纳的回答

Brian Hart
Brian Hart 2019-3-13
Hi Lorrenzo,
MATLAB doesn't support binary representation. So when you run the above code, MATLAB thinks the value in temp2 is one-hundred-ten, not six.
To get the numerical value, try
>> temp2 = bin2dec(temp1{1});
Then to display the value as binary, try
>> disp(dec2bin(temp2,4))
where the "4" tells MATLAB how many bits to display.

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