covariance matrix?

From: Nat Butler <nrbutler_at_email.domain.hidden>
Date: Tue, 10 Apr 2007 01:42:41 -0400

Is it possibile to gain access to the covariance matrix calculated
during the fit process by the Levenberg-Marquardt algorithm?  I remember
XSPEC spitting this out.

I'd like to use it to calculate the model paramater posterior distributions
via the Laplace approximation.

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Received on Tue Apr 10 2007 - 01:42:51 EDT

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