How to assign values to a matrix from index array?

18 次查看（过去 30 天）
Juan Moreno
Juan Moreno 2020-11-14
评论： Juan Moreno 2020-11-14
I have an initial zeros matrix A, to fill with ones at matrix coordinates given by elements in x and y. but when i do A(x,y)=1, it does not work.
I have this:
when I do A(x,y)=1, I got this:
but I expect this:
How should I do this assignment?
Thanks.

请先登录，再回答此问题。

采纳的回答

James Tursa
James Tursa 2020-11-14
A(sub2ind(size(A),x,y)) = 1;

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Resizing and Reshaping Matrices 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