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
4 E3 ]- |& J8 c1 p" w$ ?) x4 u3 B- ?1 q% corresponding to the limits in Xlim=[Xmin Xmax] and
% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are
% assumed to be [-inf inf].
; e8 z- V8 y5 t# I8 f% X and Y can be plaid matrices, e.g., created by MESHGRID
! F" M' T6 T% X! X3 l3 j% or they can be vectors defining the x and y axes.
/ ^8 Q* ^% p6 @%
% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the
) O1 k2 M! u7 E3 r% column index limits in Clim and the row index limits in Rlim
%
; K2 C& l' q" \" G- z5 {. j# H4 `' Y) F% Resulting data can be plotted using mesh or surf:
8 t% |: N! f* B$ J% U) \* y( t" d% MESH(X,Y,Z) or SURF(X,Y,Z)
% This function automates the procedure described on
% page 249 of "Mastering MATLAB".
8 Y7 R& t; @1 l+ W7 a. O, `
% D.C. Hanselman, University of Maine, Orono ME,  04469
% 9/26/95
; K  ^  B' h/ s! {6 F. @% Copyright (c) 1996 by Prentice-Hall, Inc.
0 F( k, @: T' z; k! U5 {9 a
if nargin==3