Magic and Trace Function

2012 9 14
1 个回答
回答已采纳
3 次查看（30 天）

1 个投票

Hi, I was amaze to see following output: >> A=[2 3; 4 5]
A =
2 3
4 5
>> trace(A)
ans =
7
>> trace A
ans =
65
Que: Why am I getting answer of trace A as 65??
(ASCI Value of A is 65)

请先登录，再回答此问题。

 采纳的回答

Wayne King
Wayne King 2012-9-14
编辑：Wayne King 2012-9-14

2 个投票

That's because the functional form you are using when you enter
>>trace A
is executing
>>trace('A')
and in this case, it is nothing more than
>>sum('A')
Just like
>>help conv
is the same as
>>help('conv')

更多回答（0 个）

类别

在 帮助中心 和 File Exchange 中查找有关 MATLAB 的更多信息

产品

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by