MATLAB: Does tables allow null as an element

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Dose tables allow null as an element?

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I don't think so. But you can assign NaN to an element in a table.

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MATLAB: How to sum the matrix element

Hi Eddy,

It is because in one of the for loop, you made sum as a variable too. Using the same variable which is the same as inbuilt function is not encouraged and lead to inappropriate conditions as such.

So, update this loop here and this should solve:

for i=na:-1:1
    sumOut=0; % Replace sum with other variable
    X(i)=0;
    for j=1:na
        sumOut=sumOut+A(i,j)*X(j);
    end
    X(i)=(B(i)-sumOut)/A(i,i);
end

Hope this helps.

Regards,

Sriram

MATLAB: How to write the matrix with blank element

Just set those elements to nan:

T(i) = nan;

otherwise you'd be looking at a cell array and that's a lot more complicated to use and you probably don't want the hassles of dealing with those. Nan means "Not a number" and is basically the concept of "not defined' that you're trying to achieve. They just call it nan instead of ND.

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Related Solutions

MATLAB: How to sum the matrix element

MATLAB: How to write the matrix with blank element

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