# Support of QR decomposition for a very large sparse 2-D matrix

Hi all,
I see we have
Sparse ITensors as
Single Element ITensor
Combiner
Delta and Diagonal ITensor
Also, IQTensor for block-sparse matrix.
However, is there any support for original sparse matrix which is defined as non-zero elements are less than half of total elements and doesn't have specific structure?
I was hoping to QR decompose a very large rectangle sparse matrix such as 4^30 x 4.
Thank you very much!
Best,
Victor

+1 vote