How to save all outputs that are produced from each iteration in separated cell in one row of array and each row expresses an iteration then store it in one .mat file?

5 次查看（过去 30 天）

显示更早的评论

M 2022-3-4

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1663684-how-to-save-all-outputs-that-are-produced-from-each-iteration-in-separated-cell-in-one-row-of-array

评论： M 2022-3-4

采纳的回答： Stephen23

在 MATLAB Online 中打开

How to save all the output from each iteration in one .mat file?

Suppose we have the following program and I want to save Pd , C , M that are produced from each iteration in separated cell in one row of array and each row expresses an iteration then store it in one .mat file named Cases.mat.

Pd=[] ;
[Pd{1:7}]=ndgrid([0.5,1]);
Pd=reshape( cat(8,Pd{:})  ,[],7);
Pd = Pd' 
for j = 1:size(Pd,2)
    Pd(:,j)
    C = 5*Pd(:,j)
    M = 3*Pd(:,j)
end 

Can Anyone help me to achive this?

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。

采纳的回答

Stephen23 2022-3-4

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1663684-how-to-save-all-outputs-that-are-produced-from-each-iteration-in-separated-cell-in-one-row-of-array#answer_909874

在 MATLAB Online 中打开

Pd = {};
[Pd{1:7}] = ndgrid([0.5,1]);
Pd = reshape(cat(8,Pd{:}),[],7).';
C  = 5*Pd;
% M = your code is unclear
save('cases.mat','Pd','C')

5 个评论
显示 3更早的评论隐藏 3更早的评论

Stephen23 2022-3-4

编辑：Stephen23 2022-3-4

在 MATLAB Online 中打开

The most efficient approach is NOT to store them as separate variables, but to store the data in matrices/arrays.

If you are generating the data in a loop then you can use indexing to assign the data to those matrices, just like you would use indexing to get data out of a matrix. For example:

Pd = {};
[Pd{1:7}] = ndgrid([0.5,1]);
Pd = reshape(cat(8,Pd{:}),[],7).';
S = size(Pd);
C = nan(S); % preallocate!
M = nan(S); % preallocate!
for k = 1:S(2)
    C(:,k) = 5*Pd(:,k); % presumably your calculation is more complex
    M(:,k) = 3*Pd(:,k); % presumably your calculation is more complex
end
save('cases.mat','Pd','C','M')