C Library Functions - qhsg (3)
NAME
qhsg(3f) - [M_math] Compute integral values for given table of
argument, function, 1st derivative, and 2nd derivative values.
CONTENTS
Synopsis
Purpose
Usage
Description Of Parameters
Remarks
Subroutines And Function Subprograms Required
Method
SYNOPSIS
subroutine qhsg(x,y,fdy,sdy,z,ndim)
PURPOSE
Compute vector of integral values for given general table of argument,
function, first derivative, and second derivative values.
USAGE
call qhsg (X,Y,FDY,SDY,Z,NDIM)
DESCRIPTION OF PARAMETERS
|
X |
- The input vector of argument values.
|
|
Y |
- The input vector of function values.
|
|
FDY |
- The input vector of first derivative.
|
|
SDY |
- The input vector of second derivative.
|
|
Z |
- The resulting vector of integral values. Z may be
identical with X,Y,FDY or SDY.
|
|
NDIM |
- The dimension of vectors X,Y,FDY,SDY,Z.
|
|
REMARKS
No action in case NDIM less than 1.
SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED
None
METHOD
Beginning with Z(1)=0, evaluation of vector Z is done by
means of Hermitean sixth order integration formula.
For reference, see
R.Zurmuehl, Praktische Mathematik fuer Ingenieure und
Physiker, Springer, Berlin/Goettingen/Heidelberg, 1963,
pp.227-230.
| Nemo Release 3.1 | qhsg (3) | February 23, 2025 |
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