Re: curvefit question

[kashyap(at)head-cfa.harvard.edu (Vinay L. Kashyap)]

Best edit CURVEFIT.PRO to include _EXTRA=E as keyword to all
calls to CALL_PROCEDURE inside it (and also to the function
definition!), then pass m1,b1,x0 as keywords to your program.

vinay

In article <Pine.GSO.4.21.0107111818550.4496-100000@rac4.wam.umd.edu>,
Mike Barker  <animals@wam.umd.edu> wrote:
>Hello,
>
>I would like to fit the following function:
>
>y = m2*(x - x0) + m1*x0 + b1
>
>where m2 is the ONLY parameter to be fitted and m1, b1, x0 are
>variables (I DO NOT want to fit them).  I'm having trouble figuring out
>how to do this with curvefit (or any of the other built-in
>routines).  Curvefit won't let me pass m1, b1, and x0 as parameters.  I
>tried using a common block to store the variables but I still have to
>compile the function before I declare the common block.  If anyone could
>help I would be forever grateful.
>
>Sincerely,
>Mike
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