# ncl_shgrid_errors man page

shgrid_errors — This document briefly describes all the errors reported from Shgrid.

## Description

Each entry below includes the error number and its meaning.

- 0
No error.

- 1
number of input data must be > 9

- 2
NLS must be .GT. 9

- 3
number of data points used in least squares fit must be > 9

- 4
NFL (number of points used to calculate weights) must be at least 1

- 5
number of points used in least squares fit too large

- 6
number of points used in calculating weights too large

- 7
cell grid dimensions must be positive

- 8
duplicate input points encountered

- 9
collinear input, no unique solution

- 10
at least two points must have different X coordinates

- 11
at least two points must have different Y coordinates

- 12
at least two points must have different Z coordinates

- 13
no cells contain a point within the radius of influence of the input point

- 14
negative search radius in calculating least squares fit

## See Also

shgrid, shseti, shgeti, shsetnp, c_shgrid, c_shseti, c_shseti, c_shgetnp.

Complete documentation for Shgrid is available at URL

http://ngwww.ucar.edu/ngdoc/ng/ngmath/shgrid/shhome.html

## Copyright

Copyright (C) 2000

University Corporation for Atmospheric Research

The use of this Software is governed by a License Agreement.