Creating a AxBxCxD out of AxB matrix.. Using reshape, code included..little help needed

5 次查看（过去 30 天）

awda 2014-5-3

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/128119-creating-a-axbxcxd-out-of-axb-matrix-using-reshape-code-included-little-help-needed

回答： Travis Damian Houle Crouser 2018-2-8

x.mat

I have 137241 data in 1 column. the data is voltage of 5 households (3-phase). I want a matrix out of it showing me: 10 x 24 x days x 15

my code is:

ncust = size(x,2);
% pad data with one extra row
x = [x;zeros(1,ncust)];
% reshape data into hour/day/customer
x = reshape(x,24,[],ncust); 
i tried using: reshape(x,10,24,[],ncust) but didnt work.

and the data is attached :)

i hope a kind soul will help me :)

thanks alot

6 个评论
显示 4更早的评论隐藏 4更早的评论

Star Strider 2014-5-4

The (137241x1) vector isn’t of much use unless we know how you reshaped it from what was obviously a 3D matrix of (minutes x days x customers).

We have many areas of brilliance between us here at MATLAB Answers, but mindreading has proven to be our collective area of absolute ineptitude.

Image Analyst 2014-5-4

Well not totally. I've seen Sean and Walter figure out what the poster was asking from total gobbledegook and sheer gibberish. It's my thinking that Sean has been assigned to the Mind Reading Toolbox development in the Mathworks Black Ops Skunkworks, and that perhaps Walter is a beta tester for it. Not totally out of the realm of possibility if you saw UC Berkeley Prof. Jack Gallant's plenary talk at the Electronic Imaging Symposium.

请先登录，再进行评论。

请先登录，再回答此问题。

回答（2 个）

Mehdi 2014-5-3

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/128119-creating-a-axbxcxd-out-of-axb-matrix-using-reshape-code-included-little-help-needed#answer_135523

In x = [x;zeros(1,ncust)]; ncust should be an integer. ncust = size(x,2); doesn't generate an integer. Besides, I'm not sure if your code is the way to go. In reshape you have to determine what arrays of your 137241 x 1 matrix should be located in the output row and which ones should be located in the columns. Just my two cents.