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Time Complexity of Normal Equations What is the time complexity of setting up and solving the normal equations: A^T*Ax=A^T*b for an mn mn matrix

Time Complexity of Normal Equations

What is the time complexity of setting up and solving the normal equations:

A^T*Ax=A^T*b


for an m×n

m×n matrix (assume m>n

m>n)?

Top Answer

In each 'full' diagonal you have N elements. There are M-N+1 full diagonals, because the diagonal... View the full answer

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