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Diffstat (limited to 'math/surfit/doc/issave.hlp')
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diff --git a/math/surfit/doc/issave.hlp b/math/surfit/doc/issave.hlp new file mode 100644 index 00000000..6ec97cd6 --- /dev/null +++ b/math/surfit/doc/issave.hlp @@ -0,0 +1,55 @@ +.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 |