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.help gsvector Aug85 "Gsurfit Package"
.ih
NAME
gsvector -- evaluate the fitted surface at a set of points
.ih
SYNOPSIS
gsvector (sf, x, y, zfit, npts)
.nf
pointer sf # surface descriptor
real x[npts] # x array, xmin <= x <= xmax
real y[npts] # y array, ymin <= y <= ymax
real zfit[npts] # data values
int npts # number of data points
.fi
.ih
ARGUMENTS
.ls sf
Pointer to the surface descriptor structure.
.le
.ls x, y
Array of x and y values.
.le
.ls zfit
Array of fitted values.
.le
.ls npts
The number of points to be fit.
.le
.ih
DESCRIPTION
Fit the surface to an array of data points. GSVECTOR uses the coefficients
stored in the surface descriptor structure.
.ih
NOTES
Checking for out of bounds x and y values is the responsibility of the
calling program.
.ih
SEE ALSO
gseval, gsder
.endhelp
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