0 个投票

Hi, I have n by 1 matrix, I want to splitt this matrix into systematically into several smaller matrices of the same dimension. For example let A=transpose([1:1:12552), I want to make other matrices of (24 by 1) from the A. Is there a short command I can use? I have tried 'mat2cell' function but it returns error. Is there something am missing?

请先登录，再回答此问题。

 采纳的回答

Stephen23
Stephen23 2022-7-18
编辑：Stephen23 2022-7-18
Ran in:

2 个投票

Ran in:
A = transpose(1:12552);
C = num2cell(reshape(A,24,[]),1)
C = 1×523 cell array
{24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double} {24×1 double}
You can eaily access the content of the cell array C using indexing, e.g. the second cell:
C{2}
ans = 24×1
25 26 27 28 29 30 31 32 33 34
https://www.mathworks.com/help/matlab/matlab_prog/access-data-in-a-cell-array.html

4 个评论
显示 2更早的评论 隐藏 2更早的评论

okoth ochola
okoth ochola 2022-7-18
Thank you so much, it has worked perfectly well. Is there a fucntion that I can use to calculate mean of each submatrix within C, so as to end up with 523 by 1 matrix?
Dyuman Joshi
Dyuman Joshi 2022-7-18
Ran in:
Ran in:
A = transpose(1:12552);
C = num2cell(reshape(A,24,[]),1);
Cm=cellfun(@mean,C')
Cm = 523×1
12.5000 36.5000 60.5000 84.5000 108.5000 132.5000 156.5000 180.5000 204.5000 228.5000
okoth ochola
okoth ochola 2022-7-18
It worked, thank you so much
Stephen23
Stephen23 2022-7-18
编辑：Stephen23 2022-7-18
Ran in:
Ran in:
" Is there a fucntion that I can use to calculate mean of each submatrix within C, so as to end up with 523 by 1 matrix?"
The simple and efficient MATLAB approach would avoid the cell array:
A = transpose(1:12552);
B = mean(reshape(A,24,[]),1).'
B = 523×1
12.5000 36.5000 60.5000 84.5000 108.5000 132.5000 156.5000 180.5000 204.5000 228.5000

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 Creating and Concatenating 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