CODEWITHSUNDEEP
matlab
giulio
giulio

Reputation: 659

Concatenating numbers in matlab

I am trying to concatenate 0s and 1s in a matrix to form a binary number (as a string). For example, [1 0 1;0 0 1] should output ['101';'001']

When trying this input however, I get ['1','1'] as a result. Why?

function result = generateBinary(ref_matrix)
    [row col] = size(ref_matrix);
    result = cell(1,row);

    str = '';

    for i=1:row
        for j = 1:col
            n = num2str(ref_matrix(i,j))
            str = strcat(str, num2str(ref_matrix(i,j)));      
            str
        result{1,i} = str;    
        str = '';
        end
    end    
end

Upvotes: 1

Views: 26

Answers (1)

Daniel
Daniel

Reputation: 36710

The first end is at the wrong place. 

function result = generateBinary(ref_matrix)
[row col] = size(ref_matrix);
result = cell(1,row);

str = '';

for i=1:row
    for j = 1:col
        n = num2str(ref_matrix(i,j))
        str = strcat(str, num2str(ref_matrix(i,j)));      
        str
    end
    result{1,i} = str;    
    str = '';
end

As the indent suggests, result{1,i} = str;str = ''; may not be part of the inner loop.

Upvotes: 1

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