Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so:

m=[1 3 6 9 11; 0 3 6 9 11; 0 0 6 9 11; 0 0 0 9 11; 0 0 0 0 11]

Solve

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Last Solution submitted on Jan 23, 2026

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George Berken Riccardo G. 宣余 董济川

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