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.help islzero Apr85 "Surfit Package"
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NAME
islzero -- set up for a new surface grid line fit
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SYNOPSIS
islzero (sf, lineno)
.nf
pointer sf # surface grid descriptor
int lineno # surface grid line number
.fi
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ARGUMENTS
.ls sf
Pointer to the surface grid descriptor structure.
.le
.ls lineno
Line number of the surface grid line fit to be zeroed.
.le
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DESCRIPTION
ISLZERO zeros the appropriate arrays and vectors for the surface grid line
number line number. The line can then be refit by calls to ISLACCUM and
ISLSOLVE. Alternatively a single call to ISLFIT can perform the combined
functions of ISLZERO, ISLACCUM and ISLSOLVE.
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NOTES
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SEE ALSO
isinit, islfit, islrefit, islaccum, islsolve, issolve
.endhelp
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