Create single array from multiple arrays in struct
5 views (last 30 days)
Show older comments
HI, I am rather new to Matlab and am trying to perform some statistics on data I have in a structure. I have several hundred arrays of varying length for each index in the structure representing water levels from a storm (Storm.hydrograph). I want to be able to get the mean and standard deviation for all of the values from all storms. To do this, I am trying to generate a single list/array of all the water level points from every storm.
I have tried :
allHydro = [Storms.hydrograph]
but I get error messages because each of the arrays are of unique length.
Is there a way to get them all in one array? Or is there a way to perform statistics on them as they are in the structure? (I have already done statistics on them individually, but want statistics of all the values combined).
Thank you!
2 Comments
Jan
on 13 Dec 2021
You have to clarify what you want to do mathematically. If the different arrays have different sizes, it ist not clear, what you want to do.
Storms(1).hydropgraph = 1:10
Storms(2).hydropgraph = 2:21
So what ou you wnt to achieve now? "Statistics over them" is not defined uniquely.
Accepted Answer
cr
on 14 Dec 2021
Presuming the error you got is "Dimensions of arrays being concatenated are not consistent.", all data in column vectors may be concatenated using
allHydro = cat(1,Storms.hydrograph);
More Answers (0)
See Also
Categories
Find more on Creating and Concatenating Matrices in Help Center and File Exchange
Products
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!