Problem 42635. Maximum of each diagonal

Solution 2104402

Submitted on 24 Jan 2020 by ME

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Test	Status	Code Input and Output
1	Pass	assert(isempty(maxdiag([])))
2	Pass	x = randi(100); assert(isequal(maxdiag(x),x))
3	Pass	x = randi(100,100,1); assert(isequal(maxdiag(x),x(end:-1:1)'))
4	Pass	x = randi(100,1,100); assert(isequal(maxdiag(x),x))
5	Pass	x = eye(2); assert(isequal(maxdiag(x),[0 1 0]))
6	Pass	x = magic(3); assert(isequal(maxdiag(x),[4 9 8 7 6]))
7	Pass	x = flipud(hankel(1:1000)); assert(isequal(maxdiag(x),[1:1000,zeros(1,1000-1)]))
8	Pass	x = toeplitz(1:1000); assert(isequal(maxdiag(x),[1000:-1:1,2:1000]))
9	Pass	N = randi(1000); x = fliplr(toeplitz(1:N)); assert(isequal(maxdiag(x),[1:N,N-1:-1:1]))
10	Pass	x = magic(10); x = x(:,1:3); assert(isequal(maxdiag(x),[11 18 100 94 17 86 93 87 98 92 99 1]))
11	Pass	x = hankel(-4:0,0:-2:-16); assert(isequal(maxdiag(x),[0 -1 0 -1 0 -1 0 -1 0 -2 -4 -6 -8]))