How to multiply dimension matrix ???

2018 11 15
1 个回答
回答已采纳
更新时间：2018 11 15
3 次查看（30 天）

0 个投票

Hi, I have matrix with dimension like below :
A = 220 x 1;
B = 220 x 11;
I want
C = 1 x 11
Im trying this code
C = bsxfun(@times,A,B);
the result is C = 220 x 1.
Is there possible I get result C = 1 x 11 ???
any help will be must appreciated. Thanks

请先登录，再回答此问题。

 采纳的回答

madhan ravi
madhan ravi 2018-11-15
编辑：madhan ravi 2018-11-15

1 个投票

clear all
A=rand(220,1)'; %AN EXAMPLE
B=rand(220,11);
A*B

8 个评论
显示 6更早的评论 隐藏 6更早的评论

Oman Wisni
Oman Wisni 2018-11-15
编辑：madhan ravi 2018-11-15
I already trying sir. Get error like this
Error using *
Inner matrix dimensions must agree.
madhan ravi's reply: try clear all at the beginning and try my code , also see my comment below.
madhan ravi
madhan ravi 2018-11-15
>> A=rand(220,1)'; %AN EXAMPLE
B=rand(220,11);
size(A*B)
ans =
1 11
>>
Oman Wisni
Oman Wisni 2018-11-15
编辑：madhan ravi 2018-11-15
but the value in matrix can't show
madhan ravi's reply: remove semicolon ; you will be able to see the output
Oman Wisni
Oman Wisni 2018-11-15
编辑：madhan ravi 2018-11-15
if I remove semicolon, I get error sir,
Error using *
Inner matrix dimensions must agree.
madhan ravi's reply: see edited answer
Oman Wisni
Oman Wisni 2018-11-15
编辑：madhan ravi 2018-11-15
this sir, the result like below I want in ans have value like matrix A and B.
ans = 1 x 11 double.
madhan ravi's reply: see edited answer , also be familiar with basic fundamentals
Oman Wisni
Oman Wisni 2018-11-15
编辑：madhan ravi 2018-11-15
Yes sir, already. Thanks for you answer and your time
madhan ravi's reply: Anytime :)

请先登录，再进行评论。

更多回答（0 个）

类别

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

标签

Community Treasure Hunt

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

Start Hunting!

Translated by