QMRITools`
QMRITools`
LLeastSquares
LLeastSquares[A,y]
= performs a Linear Linear Least Squares fit. It uses a compiled version of the Pseudo inverse of A.
Examples
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In[1]:=1

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https://wolfram.com/xid/0bhemfq4rul190526o2fqkes-hf9i1
Direct link to example