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.help issave Apr85 "Surfit Package"
.ih
NAME
issave - save the surface fit
.ih
SYNOPSIS
issave (sf, fit)
.nf
pointer sf # surface descriptor
real fit[ARB] # fit array
.fi
.ih
ARGUMENTS
.ls sf
Pointer to the surface grid descriptor.
.le
.ls fit
Array for storing the fit. The fit array must be at least SAVE_COEFF + ncoeff
elements long.
.le
.ih
DESCRIPTION
ISSAVE stores the surface parameters and coefficient array
in the 1-D reall array fit. Fit must be at least ncoeff + SAVE_COEFF
elements long where ncoeff is defined as follows.
.nf
SF_LEGENDRE: nxcoeff = xorder
nycoeff = yorder
ncoeff = xorder * yorder xterms = yes
ncoeff = nycoeff + nxcoeff - 1 xterms = no
SF_CHEBYSHEV: nxcoeff = xorder
nycoeff = yorder
ncoeff = xorder * yorder xterms = yes
ncoeff = nycoeff + nxcoeff - 1 xterms = no
SF_SPLINE3: nxcoeff = xorder + 3
nycoeff = yorder + 3
ncoeff = (xorder + 3) * (yorder + 3)
SF_SPLINE1: nxcoeff = xorder + 1
nycoeff = yorder + 1
ncoeff = (xorder + 1) * (yorder + 1)
.fi
.ih
NOTES
.ih
SEE ALSO
isreplace
.endhelp
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