How do I add elements to a structure in a loop?

44 次查看(过去 30 天)
I'm trying to fit a number of polynomials to x/y, and want to save the results of each fit so I can evaluate which is best. So...
for norder = 2:2:highestOrder [p,S,mu] = polyfit(x,y,norder); end
I'd like a structure 'poly' to be able to store 'p', 'S', and 'mu' for each iteration of the for loop. Ideally the structure would look like poly.p2, to poly.phighestOrder, poly.S2...
How would I do that?

采纳的回答

Stephen23
Stephen23 2018-9-20
Do not use a cell array of scalar structures, just use one non-scalar structure:
S = struct([]);
for k = 1:15
[S(k).a,S(k).b,S(k).c] = polyfit(randi(20,1,100),randi(10,1,100),2);
end
Giving all iterations in one structure.

更多回答(1 个)

ANKUR KUMAR
ANKUR KUMAR 2018-9-20
Just simple store separated with dot. Example
for ii=1:15
[a,b,c]=polyfit(randi(20,1,100),randi(10,1,100),2)
poly{ii}.a=a;
poly{ii}.b=c;
poly{ii}.c=c;
end
  1 个评论
Kim
Kim 2018-9-20
When I try that I get "Cell contents assignment to a non-cell array object." And for each iteration it just overwrites the previous.

请先登录,再进行评论。

类别

Help CenterFile Exchange 中查找有关 Structures 的更多信息

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by