How to generate a normal matrix?

27 次查看(过去 30 天)
How to generate the following matrix in MATLAB? where α is real number, and n is odd number.

采纳的回答

KALYAN ACHARJYA
KALYAN ACHARJYA 2021-3-4
编辑:KALYAN ACHARJYA 2021-3-4
You can do this in many ways, one way is as follows
Hope, for the last corner mat(1,:)= ....element, you can manipulate:
Sufficient Hints:
alpha=.....;
n=....; % Square Matrix
diag_mat=diag(alpha*ones(1,n));
pattern_data=triu(ones(n),-1).*tril(ones(n),-1);
Add those two matrices
result=...

更多回答(1 个)

Bjorn Gustavsson
Bjorn Gustavsson 2021-3-4
Have a look at the help and documentation of the diag-function. This question indicates that you're very new to matlab, so you might get up to speed faster if you look through the matlab-onramp material. One of the main skills to learn is to browse efficiently through the help. You should also be able to use the lookfor function to find starting-points for your help-search.
HTH
  3 个评论
Bjorn Gustavsson
Bjorn Gustavsson 2021-3-4
Well this is just "2/3rds" of a tri-diagonal matrix, so then you should be set?
A = diag(alpha*ones(n,1),0) + diag(ones(n-1,1),-1);
I typically forgets if I need +1 or -1 for the sub/sup-diagonals and have to check - but checking is a good fraction of good programming practice...

请先登录,再进行评论。

类别

Help CenterFile Exchange 中查找有关 Matrices and Arrays 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