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Diffstat (limited to 'math/gsurfit/doc/gseval.hlp')
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diff --git a/math/gsurfit/doc/gseval.hlp b/math/gsurfit/doc/gseval.hlp new file mode 100644 index 00000000..b9cd08bb --- /dev/null +++ b/math/gsurfit/doc/gseval.hlp @@ -0,0 +1,34 @@ +.help gseval Aug85 "Gsurfit Package" +.ih +NAME +gseval -- evaluate the fitted surface at x and y +.ih +SYNOPSIS +y = gseval (sf, x, y) + +.nf +pointer sf # surface descriptor +real x # x value, xmin <= x <= xmax +real y # y value, ymin <= y <= ymax +.fi +.ih +ARGUMENTS +.ls sf +Pointer to the surface descriptor structure. +.le +.ls x, y +X and y values at which the surface is to be evaluated. +.le +.ih +DESCRIPTION +Evaluate the surface at the specified value of x and y. GSEVAL is a real +valued function which returns the fitted value. +.ih +NOTES +GSEVAL uses the coefficient array stored in the surface descriptor structure. +Checking for out of bounds x and y values is the responsibility of the calling +program. +.ih +SEE ALSO +gsvector, gsder +.endhelp |