matlab

majiancumt

function q=mmhole(x,y,z,xlim,ylim)
' |5 I+ C' [2 p- D1 _4 i1 w%MMHOLE Create Hole in 3D Graphics Data
% Z=MMHOLE(X,Y,Z,Xlim,Ylim) sets the data in Z to NaN
$ `7 g! P4 z0 a4 Q# [* Z( b! t% corresponding to the limits in Xlim=[Xmin Xmax] and
- p0 X! s4 l: _+ v3 L" q" I* I% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are
% assumed to be [-inf inf].
% X and Y can be plaid matrices, e.g., created by MESHGRID
% or they can be vectors defining the x and y axes.
%
/ e* y7 p; o2 y& \; _% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the
$ l! G" D( w1 z! y+ [# W% column index limits in Clim and the row index limits in Rlim
! w0 C9 p& l* w7 q%
% Resulting data can be plotted using mesh or surf:
( G* y; f$ j6 i% MESH(X,Y,Z) or SURF(X,Y,Z)
% This function automates the procedure described on
% page 249 of "Mastering MATLAB".

9 w" V/ R/ q( Z3 {8 C% D.C. Hanselman, University of Maine, Orono ME,  04469
! q7 B% d+ D! z7 h( n6 z% 9/26/95
% Copyright (c) 1996 by Prentice-Hall, Inc.

+ ?! J' f; R- ^; Aif nargin==3