Problem 1972. Convert matrix to 3D array of triangular matrices

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Solution 4613965

Submitted on 18 Jan 2021

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2 Comments

2 Comments

Lincoln Poon on 18 Jan 2021

I keep failing the 'assert(isequal(x,xb))' part of the last test.
Can someone please give me some ideas on how to fix it?

Daigo on 5 Jan 2022

Lincoln> I also had the same issue but figured out the cause. In my case, I was computing P by "P = uint8((-1+sqrt(8*M+1))/2);" but this causes a problem for a large M. After I modified it to "P = round((-1+sqrt(8*M+1))/2);", the error has been solved.

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