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Conference rusure::math

Title:	Mathematics at DEC

Moderator:	RUSURE::EDP

Created:	Mon Feb 03 1986
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	2083
Total number of notes:	14613

1237.0. "mini-max polynomial fit routine ?" by BEAGLE::HASLER () Thu May 10 1990 12:34

    Hello,
    
    	I'm looking for a simple fortran or basic program that calculates
    	an interpolation polynomial thru 4 or 6 x-y plane coordinate pairs,
    	and doing a mini-max adjustment (tchebycheff or other).
    
    	The original curve is a piece-wise linear function that looks
    	like a part of a parabola. Nothing special, no turning points.
    
    	Can anyone point to such a program ? I'd be really grateful.
    
    Brian, Valbonne, France

T.R Title User Personal
Name Date Lines

1237.1 Two books I've referred to for this kind of thing EAGLE1::BEST R D Best, sys arch, I/O Mon May 14 1990 16:27 10

T.R	Title	User	Personal Name	Date	Lines
1237.1	Two books I've referred to for this kind of thing	EAGLE1::BEST	R D Best, sys arch, I/O	`Mon May 14 1990 16:27`	10
	re .0: Try looking in the FORTRAN edition of 'Numerical recipes', Cambridge University Press. I can't confirm that there is one there, but I recall several chapters on data fitting. Does it really need to be BASIC or FORTRAN ? If not, another place to look would be 'Scientific Pascal' by Harlan Flanders. Perhaps you should describe the larger context of what the routine is trying to accomplish for the program it's embedded in. Someone might suggest a nifty tuned solution.

re .0:

Try looking in the FORTRAN edition of 'Numerical recipes', Cambridge University
Press.  I can't confirm that there is one there, but I recall several chapters
on data fitting.  Does it really need to be BASIC or FORTRAN ?  If not,
another place to look would be 'Scientific Pascal' by Harlan Flanders.

Perhaps you should describe the larger context of what the routine is trying
to accomplish for the program it's embedded in.  Someone might suggest a
nifty tuned solution.