matlab

majiancumt

function q=mmhole(x,y,z,xlim,ylim)
6 N/ m) p) N8 V- ]" I%MMHOLE Create Hole in 3D Graphics Data
% Z=MMHOLE(X,Y,Z,Xlim,Ylim) sets the data in Z to NaN
" t0 p) x0 v6 N2 X0 O! w% n% corresponding to the limits in Xlim=[Xmin Xmax] and
0 y* l% z& q% d2 T! R7 a% j% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are
" e9 X% [6 @( W% i% assumed to be [-inf inf].
# @( z. }/ r/ R0 @) j% X and Y can be plaid matrices, e.g., created by MESHGRID
: d$ d$ x5 m! m( c) n" M/ W& s% or they can be vectors defining the x and y axes.
4 b0 ^! H( u% y* N+ z%
% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the
" W8 ]: ]+ t9 a3 ?% column index limits in Clim and the row index limits in Rlim
%
% Resulting data can be plotted using mesh or surf:
" Z2 ?7 {* n) N/ g, J% MESH(X,Y,Z) or SURF(X,Y,Z)
% This function automates the procedure described on
7 M7 E6 R2 O1 W3 `% page 249 of "Mastering MATLAB".
+ k- Y' l; _. K4 T
% D.C. Hanselman, University of Maine, Orono ME,  04469
% J' c  a! e/ S7 O) `0 C; O( }0 m/ y6 [% 9/26/95
% Copyright (c) 1996 by Prentice-Hall, Inc.
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7 _" v& @: N" F1 j- Iif nargin==3