How to convert a row vector into a matrix ???

Question

Sreeda M A 2016-6-29

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/292890-how-to-convert-a-row-vector-into-a-matrix

评论： Guillaume 2016-6-29

Using this code : C=reshape(C,[10,10]); I am getting an error like this : Error using reshape To RESHAPE the number of elements must not change.

Error in content (line 48) C=reshape(C,[10,10]); Please help me....

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

KSSV 2016-6-29

3
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/292890-how-to-convert-a-row-vector-into-a-matrix#answer_227104

编辑：KSSV 2016-6-29

在 MATLAB Online 中打开

If you use reshape.... C=reshape(C,[10,10]); The matrix C (row vector) must have 10*10 = 100 elements. Does your C have 100 elements? You can convert a array into matrix of order [m,n] provided m*n = numel(C) i.e the m*n should be equal to the number of elements in C.

Eg.

C = rand(100,1) ;
C = reshape(C,[10,10]) ;

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

Guillaume 2016-6-29

在 MATLAB Online 中打开

Note that you can leave the number of rows or columns blank if you know for example that you want 10 columns but don't want to calculate how many rows that will take:

C = reshape(C, [], 10); %use 10 columns and as many rows as necessary

The number of elements in the matrix still needs to be a multiple of 10 for it to work.

请先登录，再进行评论。