subplot指令
將影象視窗分成若干個區域,在每個區域內分別繪圖.
handle = subplot(m, n, p);
上述指令將影象劃分為 m*n 個子區域, p用於指向子區域. 順序為
1 2 3 … n
n+1 n+2 n+3 2n
……………………………………..
(m-1)n+1 ……………………m*n

例子:

x = 0 : pi / 100: 2 * pi;
y = sin(x);
subplot(2, 2, 1), plot(x, y)
xlabel('sin(x)');
grid on

y = cos(x);
subplot(2, 2, 2), plot(x, y)
xlabel('cos(x)');
grid on
 


clear
x = -pi/4 : pi / 100: +pi/4;
y = tan(x);
subplot(2, 2, 3), plot(x, y)
xlabel('tan(x)');
grid on

y = cot(x);
subplot(2, 2, 4), plot(x, y)
xlabel('cot(x)');
grid on
  

   
1
   
2
   
3
   
4
   
5
   
6
   
7
   
8
   
9
   
10
   
11
   
12
   
13
   
14
   
15
   
16
   
17
   
18
   
19
   
20
   
21
   
22
  

end

轉載自：https://blog.csdn.net/human_recognition/article/details/51824252