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MATLAB 统计一个数组中各数字（元素）出现的频数、频率
(2013-02-07 00:59:30)
标签：
it |
分类： matlab |
调用MATLAB自带的函数tabulate统计一个数组中各数字（元素）出现的频数、频率
比如：
x=['CKRc6MfZRHrodUXXseA7a170(PiMjhZCyXkzBF8AAcOQZpCzVwD8Kx)5Gcec)S3F6nZ2HNaig)pDwCarvekXfHDp3k71sY76Ty2sq5h)FrHpsJKE3KBOIszphfk3b8smjv8lrDN3GSQa2p5eu6IoYsyN)(7nl5m9DC(0uFWoEE4yDlxMLooUCx3GbtxG50dR1Unrgu4PHk9JtSeUd24CO6ek1E4KpmXpQa6WomI)oplSpm956y)fDuue)FvoRWP9NG0G2jbWu0X(FvCeDBGuiyAALMRIFIjvH1MLV2joGpC3Oi9iO(KQ7QnVcwRcnktjuU07pORuGLzXKLEBM3FbWgMJNWMBcOWv2dVge)PPXjzeXe4cnjzL26M6s)KpRHf5CuKy49PhJPS1F7o45xHorX9yZakG610R6wW22gMTEapog7MrVsSPlHQc4DDXiaCIn7DV4f)6D8(Xa8xpRTeDcg5X29Qnh3LB6gDKmbHTf9Aneg5gYJfMvlSdo64o7emuFHYN75HMKFLp1m29V81K(5JL8McRjaJJ0f5nIAGxab4DO)WcmUvqtwTytv83JsH1vbbYOMPM8WYnr7H9OVRdJDGqYNxdhOh3BG0yHQiVcWNERpR)i0khiEavtw6amAcqVN5L3YHZGC(0OtDFx(IN)5gMj0RAIM0swtnzvCRMbnPpbkPB6tqEo(gOUzJ(fuREQh9GUaS7afFjLj9GygUOwp0aav6fWtnKb4zB)Wqo']';
>> tabulate(x)
Value
Count Percent
C
13
1.75%
K
13
1.75%
R
17
2.28%
c
14
1.88%
6
17
2.28%
M
19
2.55%
f
12
1.61%
Z
6
0.81%
H
16
2.15%
r
8
1.08%
o
16
2.15%
d
7
0.94%
U
9
1.21%
比如：
x=['CKRc6MfZRHrodUXXseA7a170
>> tabulate(x)