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Re: pinv() error message

From: Ether Jones
Subject: Re: pinv() error message
Date: Thu, 12 Oct 2017 08:50:00 -0700 (MST)

Doug Stewart-4 wrote
> I get this
>>> tic; X3 = (A'*A)\(A'*b); toc
> Elapsed time is 4.46032 seconds.
>>>  tic; X2 = A \ b; toc
> Elapsed time is 38.9548 seconds.

Thank you for replying; I was asking how closely the two methods agreed;
Could you do this please:

norm (X2 - X3)

max (X2 - X3)


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