99x99 matrix
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create a 99x99 matrix with ones on both diagonals and zeros everywhere otherwise
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Image Analyst
il 15 Ott 2021
Another way, even more compact:
A = eye(99) | fliplr(eye(99))
As long as it's not your homework you can use my code.
Image Analyst
il 15 Ott 2021
As long as it's not your homework you can use my code:
A = min(1, eye(99) + fliplr(eye(99)))
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Chunru
il 15 Ott 2021
% For time comparison:
n = 1000;
timeit(@() bidiag1(n))
timeit(@() bidiag2(n))
timeit(@() bidiag3(n))
function bidiag1(n)
a = eye(n);
a(n:n-1:n*n-1) = 1;
end
function bidiag2(n)
a = eye(n) | fliplr(eye(n));
end
function bidiag3(n)
a = min(1, eye(n) + fliplr(eye(n)));
end
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