Test | Status | Code Input and Output |
---|---|---|
1 | Pass |
x = 1:100;
y_correct = shiftdim(x,-1);
assert(isequal(mat2triu3(x),y_correct))
|
2 | Pass |
x = reshape(1:15,3,[]);
y_correct(:,:,1) = [1 2;0 3];
y_correct(:,:,2) = [4 5;0 6];
y_correct(:,:,3) = [7 8;0 9];
y_correct(:,:,4) = [10 11;0 12];
y_correct(:,:,5) = [13 14;0 15];
assert(isequal(mat2triu3(x),y_correct))
|
3 | Pass |
x = reshape(1:18,3,[])';
y_correct(:,:,1) = [1 4 10; 0 7 13; 0 0 16];
y_correct(:,:,2) = [2 5 11; 0 8 14; 0 0 17];
y_correct(:,:,3) = [3 6 12; 0 9 15; 0 0 18];
assert(isequal(mat2triu3(x),y_correct))
|
4 | Pass |
x = randi(50,sum(1:100),22);
y = mat2triu3(x);
mask = (y~=0);
xb = reshape(y(mask),[],size(y,3));
assert(isequal(size(y),[100 100 22]))
assert(isequal(x,xb))
|
1786 Solvers
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Project Euler: Problem 2, Sum of even Fibonacci
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Permute diagonal and antidiagonal
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