matlab

majiancumt

function q=mmhole(x,y,z,xlim,ylim)
%MMHOLE Create Hole in 3D Graphics Data
% Z=MMHOLE(X,Y,Z,Xlim,Ylim) sets the data in Z to NaN
# q* z1 r# i5 U- k2 k' z9 T( Q% corresponding to the limits in Xlim=[Xmin Xmax] and
% h+ M& K& r: c! Z3 ~$ ?& I% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are
2 C/ J$ H$ u! W& Q' [% assumed to be [-inf inf].
9 ^' z6 q. _- m% L  x9 `' j# |% X and Y can be plaid matrices, e.g., created by MESHGRID
% or they can be vectors defining the x and y axes.
%
- r- X) N, g4 W; R: O  B% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the
% column index limits in Clim and the row index limits in Rlim
2 e, E" N0 R% e  g/ X%
% Resulting data can be plotted using mesh or surf:
( h7 [5 s" V. `# I, M/ @" {% MESH(X,Y,Z) or SURF(X,Y,Z)
% This function automates the procedure described on
% page 249 of "Mastering MATLAB".
3 e1 u- {4 w( b2 Z/ w0 s( ~
% D.C. Hanselman, University of Maine, Orono ME,  04469
. O* w& T3 j- D7 ~4 O- X% 9/26/95
% y  \$ |! T: Q& y3 r1 t% Copyright (c) 1996 by Prentice-Hall, Inc.

: ?( L" K/ ^- C- vif nargin==3