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chen zhe


Last seen: 25 days ago |  Active since 2024

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gather() in tall array inverse is incorrect
Hi, I am testing simple code with tall array inverse and gather(). The following results are different, anyone knows how to fix...

26 days ago | 1 answer | 0

1

answer

Question


Mapreduce with tall array in matrix multiplication
Hi, I am processing huge dataset (billions rows), so I used tall array in my code. While I found the tall array are not support...

27 days ago | 1 answer | 0

1

answer

Question


Incorrect results of inverse tall array
Hi, I am using tall array and testing the inverse of A? (pseudo inverse). The system is linear Ax=b. A:245*9, x: 9*1, b:245*1. ...

1 month ago | 1 answer | 0

1

answer

Question


Inverse huge matrix with tall array
Hi, I am trying to find x in my system Ax=b. A is a huge matrix, it is a size of 10 billion *9, and out of my memory, b is 10 b...

1 month ago | 2 answers | 0

2

answers