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Diffstat (limited to 'math/curfit/doc/cvaccum.hlp')
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diff --git a/math/curfit/doc/cvaccum.hlp b/math/curfit/doc/cvaccum.hlp new file mode 100644 index 00000000..4fc3a37b --- /dev/null +++ b/math/curfit/doc/cvaccum.hlp @@ -0,0 +1,51 @@ +.help cvaccum Jun84 "Curfit Package" +.ih +NAME +cvaccum -- accumulate a single data point into the matrix +.ih +SYNOPSIS +include <math/curfit.h> + +cvaccum (cv, x, y, weight, wtflag) + +.nf +pointer cv # curve descriptor +real x # x value +real y # y value +real weight # weight +int wtflag # type of weighting +.fi +.ih +ARGUMENTS +.ls cv +Pointer to the curve descriptor structure. +.le +.ls x +X value. Checking for out of bounds x values is the responsibility of the +user. +.le +.ls y +Y value. +.le +.ls weight +Weight assigned to the data point. +.le +.ls wtflag +Type of weighting. The options are WTS_USER, WTS_UNIFORM or WTS_SPACING. +If wtflag equals WTS_USER the weight for each point is supplied by the user. +If wtflag is either WTS_UNIFORM or WTS_SPACING the routine sets weight +to one. +.le +.ih +DESCRIPTION +Calculate the non-zero basis functions for the given value of x. +Compute the contribution of the data point to the normal equations and +sum into the appropriate arrays and vectors. +.ih +NOTES +The WTS_SPACING option cannot be used with CVACCUM. Weights will be set +to 1. +.ih +SEE ALSO +cvfit, cvrefit +.endhelp |