Compute least-squares solution to equation Ax = b.
Compute a vector x such that the 2-norm |b - A x| is minimized.
Parameters: | a : (M, N) array_like
b : (M,) or (M, K) array_like
cond : float, optional
overwrite_a : bool, optional
overwrite_b : bool, optional
check_finite : boolean, optional
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Returns: | x : (N,) or (N, K) ndarray
residues : () or (1,) or (K,) ndarray
rank : int
s : (min(M,N),) ndarray
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Raises: | LinAlgError :
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See also