matlab

majiancumt

function q=mmhole(x,y,z,xlim,ylim)
- D% G/ [+ b. q; m%MMHOLE Create Hole in 3D Graphics Data
% Z=MMHOLE(X,Y,Z,Xlim,Ylim) sets the data in Z to NaN
% corresponding to the limits in Xlim=[Xmin Xmax] and
8 v, J- c7 O! g; N, Q$ M" I) \+ v% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are
% assumed to be [-inf inf].
2 B: c1 t9 q/ j- P* V% X and Y can be plaid matrices, e.g., created by MESHGRID
% or they can be vectors defining the x and y axes.
%
" I& k! @9 J& W, T$ j% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the
4 M0 c! c! Z8 k5 e$ _: G% 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)
/ @1 R: D4 n+ v( M% This function automates the procedure described on
0 n1 D, e. f* W: w% t3 h* A+ s& w% G! Q3 x% page 249 of "Mastering MATLAB".

% D.C. Hanselman, University of Maine, Orono ME,  04469
% 9/26/95
% Copyright (c) 1996 by Prentice-Hall, Inc.
& G% o0 m& K3 v" D9 ~
if nargin==3