|[eigen] Re: SparseQR crashes on rectangular matrix|
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This bug goes much deeper, SparseQR::factorize cannot handle rectangular matrices when rows <= cols (yes, even when rows == cols).
So this is not only coletree, but SparseQR itself.
This is definitely the major issue, since rectangular matrices are the main domain of QR application.
Please advise what is the maturity level of SparseQR code and if there are any plans to improve it?
Probably I can help with better implementation with the help of core devs.