满意答案

7a6o8yb4

2015.08.12

采纳率：55%    等级：8

已帮助：212人

close all;

clc;

clear;

A = [1 2 2 25

1 3 3 21

1 4 4 20

2 5 5 19

2 6 7 31];

x = A(:, 1)';

y = A(:, 2)';

z = A(:, 3)';

s = A(:, 4)';

% 提取有效数据

xb = min(x);

xe = max(x);

yb = min(y);

ye = max(y);

zb = min(z);

ze = max(z);

sb = min(s);

se = max(s);

x1 = linspace(xb, xe, 30);</