matlab

majiancumt

function q=mmhole(x,y,z,xlim,ylim)
%MMHOLE Create Hole in 3D Graphics Data
$ S* ]; _+ n) V9 a/ B: G2 C2 Q% Z=MMHOLE(X,Y,Z,Xlim,Ylim) sets the data in Z to NaN
2 G( y) }1 Z% T4 Z  m% corresponding to the limits in Xlim=[Xmin Xmax] and
% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are
1 g1 z6 B% o0 m6 B% assumed to be [-inf inf].
% X and Y can be plaid matrices, e.g., created by MESHGRID
8 c" ~3 n! G; f4 W  Q* C% or they can be vectors defining the x and y axes.
%
3 Q- Q9 @" |" N7 x% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the
% column index limits in Clim and the row index limits in Rlim
%
% Resulting data can be plotted using mesh or surf:
% MESH(X,Y,Z) or SURF(X,Y,Z)
% This function automates the procedure described on
% page 249 of "Mastering MATLAB".
6 t  \$ K! D/ B$ u3 H
6 [8 h; t, Z& a9 o% D.C. Hanselman, University of Maine, Orono ME,  04469
; }# g9 k" X6 M: F" l, b" ?% 9/26/95
% Copyright (c) 1996 by Prentice-Hall, Inc.

if nargin==3