Rodrigues Bitha

Last seen: 1 year 前 | 自 2022 起处于活动状态

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统计学

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提问

How to add specific rows to a matrix?
I have a matrix A with 3 columns and multiple rows, A = a_1 b_1 2 a_1 b_1 3 a_1 b_1 2 ...

2 years 前 | 2 个回答 | 0

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提问

How to select the first two (or first nth) rows of a matrix when the first and second elements of the rows always shows the same values fro more than two rows?
I have a matrix A with 3 columns and multiple rows, A = a_1 b_1 7 a_1 b_1 8 a_1 b_1 4 ...

2 years 前 | 1 个回答 | 0

1

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