matlab

majiancumt

function q=mmhole(x,y,z,xlim,ylim)
%MMHOLE Create Hole in 3D Graphics Data
+ Z5 ~0 @5 _% x/ O% Z=MMHOLE(X,Y,Z,Xlim,Ylim) sets the data in Z to NaN
% corresponding to the limits in Xlim=[Xmin Xmax] and
% v/ w  P0 x* ?/ o1 h: z% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are
  {) G/ H) T! _1 V# u% assumed to be [-inf inf].
  A# g" y0 u. v% X and Y can be plaid matrices, e.g., created by MESHGRID
8 X1 H# w& A( t: K$ k% or they can be vectors defining the x and y axes.
  D5 c+ E' H0 N& L2 Q%
! M9 h' v1 A: L5 u3 \4 ^; y$ b% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the
, d% c3 N- D! w% k/ K. B2 l, _% column index limits in Clim and the row index limits in Rlim
# Z$ q' ^# `+ _6 d. _6 ]/ R%
% 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
* `3 y, x, [" n& L, w% page 249 of "Mastering MATLAB".
3 y; ~  b; z8 o' r
; l: {6 _7 V' A+ Y9 [$ s% D.C. Hanselman, University of Maine, Orono ME,  04469
% 9/26/95
0 R6 d/ \" Y) G8 j5 x% Copyright (c) 1996 by Prentice-Hall, Inc.
. b+ m- y8 A& P1 D$ Q$ y4 a( f
- ]1 U. E  m/ aif nargin==3