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Difficulties with Numerical Recipes Fortran

Difficulties with Numerical Recipes Fortran

Difficulties with Numerical Recipes Fortran

(OP)
Hi all,

I am new to the Fortran Forum, and to programming.  I have attempted to enter and use the Levenberg-Marquardt non-linear parameter estimation routine, coded from the Numerical Recipes book I purchased, but alas to no avail.  I am pretty certain my syntax is good (thoroughly checked), and am uncertain why the program crashes.  I would appreciate any help indeed as I would be very interested to have this code up and running.

Kind regards and thanks,

Mattheau
matt@sspa.com

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