conversion from binary to decimal

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God'sSon
God'sSon 2011-5-16
Hello, I am trying to perform binary to decimal conversion somewhere in my code and I get the following error message. can someone please help.
item=bits(i,:));% item is a row gotten from the array named bits
scale=bin2dec('item');
??? Error using ==> bin2dec at 54 Binary string may consist only of characters 0 and 1
Error in ==> QUANTIZATION_BLOCK at 121 scale=bin2dec('item');
Thanks.

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采纳的回答

Walter Roberson
Walter Roberson 2011-5-16
First of all, it would be
scale = bin2dec(item); %no quotes!
Secondly, your bit values are probably values of 0 and 1, whereas bin2dec needs values of '0' and '1'
item = char('0' + bits(i,:));

更多回答（1 个）

Paulo Silva
Paulo Silva 2011-5-16
item=bits(i,:));% item is a row gotten from the array named bits
scale=bin2dec(item);
Just removed those '', you want what's inside the variable called item not the string item

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