modify the matrix, rearrangement of elements
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I have a matrix a = [2 4 7 11; 7 9 5 54; 2 5 7 9; 12 41 45 21];
How to get the row matrix such that the elements of matrix a are arranged digonally upwards from the left .
For exapmle the row matrix should me [2 7 4 2 9 7 12 5 7 11 41 7 54 45 9 21];
Thanks in advance.
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Srivardhan Gadila
2020년 5월 27일
The following code might help you:
sz = size(a);
rowMat = zeros(1,prod(sz));
ind = 1;
for i = 1:sz(1)
j = 1;
ii = i;
while ii>0 && j<=i
rowMat(ind) = a(ii,j);
ind = ind+1;
j = j+1;
ii = ii-1;
end
if i == sz(1)
for j = 2:sz(2)
ii = i;
jj = j;
while ii>1 && jj<=i
rowMat(ind) = a(ii,jj);
ind = ind+1;
jj = jj+1;
ii = ii-1;
end
end
end
end
a
rowMat
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