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Rishabh Nirala


Last seen: 4 years 前 |  自 2020 起处于活动状态

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统计学

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Given a matrix "A", how to create a row vector of 1s that has the same number of elements as "A" has rows?
A = [1:5; 6:10; 11:15; 16:20]; C = [1;1;1;1;1] R = [1 1 1 1 ] P = R * A result = P*C ANSWER = 210

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