MATLAB爱好者论坛-LabFans.com - 查看单个帖子

slgu · 2009-09-11, 17:07

>> x=fix(randn(6,5)*5)
x =
-6 -3 0 1 -9
0 1 4 -3 5
3 -4 2 -3 4
1 -6 1 5 0
5 4 6 -8 0
5 0 4 0 -12
>> sum(x~=0)
ans =
5 5 5 5 4
>> sum(x==0)
ans =
1 1 1 1 2
>>

2009-09-11, 17:07	#4
slgu 高级会员注册日期: 2007-06-24 年龄: 70 帖子: 188 声望力: 21	回复: 有类似于count这样的命令吗？ >> x=fix(randn(6,5)*5) x = -6 -3 0 1 -9 0 1 4 -3 5 3 -4 2 -3 4 1 -6 1 5 0 5 4 6 -8 0 5 0 4 0 -12 >> sum(x~=0) ans = 5 5 5 5 4 >> sum(x==0) ans = 1 1 1 1 2 >>