indexing vectors in a nested for loop

Hi! so this is probably a simple fix but its not coming to me as fast as I'd like... seems easy enough. I have assigned some vectors from an excel file. I would like to go through each element in each vector, do some analysis, extract some info and put it back in a vector of the same size. My problem arises when trying to index my vectors.. I am using two for loops one for each vector and the other for each element within the vector.

data = xlsread('myfile.xlsx'):

wrd2_1 = data(:,1);

wrd2_2 = data(:,2); . . . wrd2_6 = data(:,6);

for ii = 1:length(wrd2_1)

for jj = 1:length(wrd2_1)

bins{jj} = dec2bin(wrd2_{ii}(ii));

lob = length(bins{jj});

diff = abs(16 - lob);

switch diff

    case 1

        v1 = strcat('0',bins{jj});
    case 2
        v1 = strcat('00',bins{jj});
    case 3
        v1 = strcat('000',bins{jj});
    case 4
        v1 = strcat('0000',bins{jj});
    case 5 
        v1 = strcat('00000',bins{jj});
otherwise v1 = bins{jj};

end

some more stuff...

end

the problem arises here:

bins{jj} = dec2bin(wrd2_{ii}(ii));

Undefined variable "wrd2_" or class "wrd2_". Error in RDR_PLOTS (line 76) bins{jj} = dec2bin(wrd2_{ii}(jj));

I realize what I am doing wrong but I am not sure how to go about resolving this.

I know that I could put all of the data into one matrix and indexing would be fine but it is not ideal for my situation.

any help is appreciated thanks!

[Hikaru]

Your variable names are wrd2_1, wrd2_2, wrd2_3,... wrd2_6, so you have to call them properly. As you pointed out, one matrix would've been fine. Mind telling us why it is not ideal?