MATLAB: How to retrieve data in column wise in Matlab

MATLABmatrix

A=ans(:,1) This gives the data only for 1st column from a table. Like wise I want to get the data of 4th column as well. How do I retrieve both 1st and 4th columns data in Matlab? What is the command for that?

Best Answer

 A(:, [1 4])

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MATLAB: Retrieving Arrays

A{1}=[1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4; 4 8 12 16];
A{2}=[2 3 4 5; 2 3 4 5; 2 3 4 5; 2 3 4 5; 8 12 16 25];
A{3}=[3 4 5 6; 3 4 5 6; 3 4 5 6; 3 4 5 6; 12 16 25 24];
A{4}=[4 5 6 7; 4 5 6 7; 4 5 6 7; 4 5 6 7; 16 20 24 28];
B=cell2mat(A);
[m,n]=size(A{1});
b=B(m,n*(1:n));
[b,ind]=sort(abs(b));
ind=ind(1:2);
SelectA=A(ind);
celldisp(SelectA);

MATLAB: Concatenating even and odd rows

A=rand(10,16);
B=[A(1:2:end,:),A(2:2:end,:)]

Best Answer

Related Solutions

MATLAB: Retrieving Arrays

MATLAB: Concatenating even and odd rows

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