Cody

Problem 42634. Minimum of each diagonal

Solution 1627665

Submitted on 14 Sep 2018 by HH
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Test Suite

Test Status Code Input and Output
1   Pass
assert(isempty(mindiag([])))
2   Pass
x = randi(100); assert(isequal(mindiag(x),x))
3   Pass
x = randi(100,100,1); assert(isequal(mindiag(x),x(end:-1:1)'))
4   Pass
x = randi(100,1,100); assert(isequal(mindiag(x),x))
5   Pass
x = eye(2); assert(isequal(mindiag(x),[0 1 0]))
6   Pass
x = magic(3); assert(isequal(mindiag(x),[4 3 2 1 6]))
7   Pass
x = flipud(hankel(1:1000)); assert(isequal(mindiag(x),[1:1000,zeros(1,1000-1)]))
8   Pass
x = toeplitz(1:1000); assert(isequal(mindiag(x),[1000:-1:1,2:1000]))
9   Pass
N = randi(1000); x = fliplr(toeplitz(1:N)); y = ones(1,2*N-1); y(2:2:end) = 2; assert(isequal(mindiag(x),y))
10   Pass
x = magic(10); x = x(:,1:3); assert(isequal(mindiag(x),[11 10 12 6 5 24 76 4 19 80 7 1]))
11   Pass
x = hankel(-4:0,0:-2:-16); assert(isequal(mindiag(x),[0 -2 -4 -6 -8 -10 -12 -14 -16 -14 -12 -10 -8]))

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