Changeset 101 for trunk/SRC/Interpolation/spl_fstdrv.pro
- Timestamp:
- 06/12/06 10:29:56 (18 years ago)
- File:
-
- 1 edited
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trunk/SRC/Interpolation/spl_fstdrv.pro
r69 r101 3 3 ;------------------------------------------------------------ 4 4 ;+ 5 ; NAME:spl_fstdrv6 5 ; 7 ; PURPOSE:SPL_FSTDRV returns the values of the first derivative of6 ; @file_comments SPL_FSTDRV returns the values of the first derivative of 8 7 ; the interpolating function at the points X2i. it is a double 9 8 ; precision array. … … 15 14 ; in a way that interpolated value are also in ascending order 16 15 ; 17 ; CATEGORY:16 ; @examples y2 = spl_fstdrv(x, y, yscd, x2) 18 17 ; 19 ; CALLING SEQUENCE: y2 = spl_fstdrv(x, y, yscd, x2) 20 ; 21 ; INPUTS: 22 ; 23 ; x: An n-element (at least 2) input vector that specifies the 18 ; @param x {in}{required} An n-element (at least 2) input vector that specifies the 24 19 ; tabulate points in ascending order. 25 20 ; 26 ; y:f(x) = y. An n-element input vector that specifies the values21 ; @param y {in}{required} f(x) = y. An n-element input vector that specifies the values 27 22 ; of the tabulated function F(Xi) corresponding to Xi. 28 23 ; 29 ; yscd:The output from SPL_INIT for the specified X and Y.24 ; @param yscd {in}{required} The output from SPL_INIT for the specified X and Y. 30 25 ; 31 ; x2:The input values for which the first derivative values are26 ; @param x2 {in}{required} The input values for which the first derivative values are 32 27 ; desired. X can be scalar or an array of values. 33 28 34 ; KEYWORD PARAMETERS: none 35 ; 36 ; OUTPUTS: 29 ; @returns 37 30 ; 38 31 ; y2: f'(x2) = y2. 39 32 ; 40 ; COMMON BLOCKS: none41 33 ; 42 ; SIDE EFFECTS: ? 43 ; 44 ; RESTRICTIONS: ? 45 ; 46 ; EXAMPLE: 47 ; 48 ; MODIFICATION HISTORY: 49 ; Sebastien Masson (smasson@lodyc.jussieu.fr): May 2005 34 ; @history 35 ; Sebastien Masson (smasson\@lodyc.jussieu.fr): May 2005 50 36 ;- 51 37 ;------------------------------------------------------------
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