How can I sum arrays internally to get a new array using a loop.

So i have an array of 1x5000+ numbers. It is formed in a way so every 288 numbers is one day. I need to shorten my array so that it adds up 288 numbers and loops until in the end i have an array of only days. right now the numbers are in 5 min intervals. And these are in cells that was transfered from an excel file so I need it to be able to work with that.

Answer 1

[Matt J]

yourVector=rand(1,288*50); 

days=sum(reshape(yourVector,288,[]));

whos yourVector days

  Name            Size                Bytes  Class     Attributes

  days            1x50                  400  double              
  yourVector      1x14400            115200  double              

[Tyler]

Product of known dimensions, 288, not divisible into total number of elements, 52116.

what does this error mean?

[Matt J]

It means you don't have an even multiple of 288 data entries -- an incomplete day at the end. If you want to sum this day regardless, simply zero-pad

N=numel(yourVector);
M=ceil(N/288)*288;
yourVector(N+1:M)=0;

days=sum(reshape(yourVector,288,[]));

[Tyler]

can i plot this data?