标题: matlab [打印本页] 作者: majiancumt 时间: 2009-4-19 18:19 标题: matlab function q=mmhole(x,y,z,xlim,ylim) 1 ` ], y& x: l# ^6 J%MMHOLE Create Hole in 3D Graphics Data1 {+ b; q/ X$ r6 [' r& `9 A0 N) m
% Z=MMHOLE(X,Y,Z,Xlim,Ylim) sets the data in Z to NaN / O; h" z! a# y ?9 E V- i( K% corresponding to the limits in Xlim=[Xmin Xmax] and , s4 F9 S0 i4 @# s- j; L% Ylim=[Ymin Ymax]. If Xlim or Ylim are empty they are 9 n8 ^) k: ], k1 j8 b% assumed to be [-inf inf].2 A1 [, N" q0 r3 _
% X and Y can be plaid matrices, e.g., created by MESHGRID9 q, @7 [2 z# m6 {- `- R3 u6 Y
% or they can be vectors defining the x and y axes.0 ~% Y, }7 _3 A! w, v+ m
%/ U" o3 c, \8 R* Q0 Y
% Z=MMHOLE(Z,Clim,Rlim) creates the NaN hole based on the + y+ b( @! E& R6 d: ~
% column index limits in Clim and the row index limits in Rlim * \9 x' R6 P E%# c+ ]' Y! M, G8 B
% Resulting data can be plotted using mesh or surf:/ y6 G7 g7 a; O
% MESH(X,Y,Z) or SURF(X,Y,Z) " u- R) e3 l6 c% This function automates the procedure described on% R% f( ?# j, |5 h
% page 249 of "Mastering MATLAB". ( q+ f, V% g; H0 a+ `- i# O A" {8 s
% D.C. Hanselman, University of Maine, Orono ME, 04469, B8 b+ T& L9 U. m5 t' w3 M9 u
% 9/26/958 q0 o0 ]) @! s9 o, o3 ]& [ j) a! c n
% Copyright (c) 1996 by Prentice-Hall, Inc. 9 _7 _- E2 X: m! ?; _% i0 \# f M8 S5 D* q e1 G5 C
if nargin==3