Janardhan, S and Rajagopal, KS and Muralidharan, SK (1975) Curve fitting with end-constraints based on a modification of Hiroshi-Akima's method. Technical Report. National Aeronautical Laboratory, Bangalore, India.
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Abstract
The method of Hiroshi Akima gives a curve which ensures - smoothness of first derivatives at the data points. The method consists of fitting cubic polynomials between every Pair of Doints (x1,y1.), 1 = l(l)n. The slope of the tangent tk to the curve at a specific point (xk' Yk) is obtained lecally by using the; coordinates of the five points (xk-2' Yk-2)' (Xk-l' Yk-l)'13; quot; (Xk' Yk)' (xk+l' Yk+l) and (Xk+2' Yk+2) of which (xk'Yk)13; is the middle member, Let the slopes of secant joining13; quot; (Xk' Yk) and (xk+l' Yk+l) be mk.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Hiroshi-akima's method;Subroutine curfit |
| Subjects: | ENGINEERING > Mechanical Engineering AERONAUTICS > Aerodynamics |
| Depositing User: | M/S ICAST NAL |
| Date Deposited: | 23 Oct 2006 |
| Last Modified: | 24 May 2010 04:22 |
| URI: | http://nal-ir.nal.res.in/id/eprint/3098 |
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