xinterp2.m

《实用化工计算机模拟：MATLAB在化学工程中的应用 》这本书光盘里的程序~

% xInterp2.m
% 函数Interp2()的应用示例
% 
%   Author: HUANG Huajiang
%   Copyright 2003 UNILAB Research Center, 
%   East China University of Science and Technology, Shanghai, PRC
%   $Revision: 1.0 $  $Date: 2003/02/25 $

clear all
clc

x = [0.5:0.5:3.0];
y = [0.1:0.1:0.6];
T = ...
   [0.1646    0.4276    0.6872    0.9420    1.1904    1.4309
    0.2714    0.6400    1.0033    1.3585    1.7032    2.0349
    0.4474    0.9904    1.5244    2.0453    2.5486    3.0306
    0.7377    1.5680    2.3836    3.1774    3.9425    4.6722
    1.2162    2.5203    3.8002    5.0441    6.2406    7.3788
    2.0052    4.0904    6.1357    8.1217   10.0295   11.8411];
xi = 1.9;
yi = 0.36;
zi = interp2(x,y,T,xi,yi,'spline')
z_true = exp(xi).*sin(yi)+yi-0.1