Clear Filters
Clear Filters

Inserting doubles into the field of a struct

6 views (last 30 days)
Wondering if anyone knows how to insert a "double" into a struct. I was trying to use the following code to do it but I keep getting the error "Scalar structure required for this assignment."
Updating.GoodNews = Upda;

Accepted Answer

Chunru on 19 Sep 2022
load(websave("Updating.mat", ""))
load(websave("Upda.mat", ""))
Name Size Bytes Class Attributes Optimism_EMA_Updating 29x1 3312 struct Upda 28x31 6944 double cmdout 1x33 66 char
% Optimism_EMA_Updating is an array of structure
% assignment should be done for struct element
Optimism_EMA_Updating(1).GoodNews = Upda;
ans = struct with fields:
SubID: 21760059 GoodNews: [28×31 double]

More Answers (1)

Image Analyst
Image Analyst on 19 Sep 2022
It's because Updating is a structure array so you need to put Upda into a new structure in the array. This works, where I append Upda to the existing array:
% Load mat files into structures.
s1 = load('Updating.mat')
s2 = load("Upda.mat")
% Extract variables from the structures.
Optimism_EMA_Updating = s1.Optimism_EMA_Updating
Upda = s2.Upda
% Append Upda as a new structure at the end of the structure array
Optimism_EMA_Updating(end+1).SubID = Upda
  1 Comment
BA on 19 Sep 2022
Thank you for the help! Unfortunately, I think CHunru's answer came a few seconds before yours. I wish I could accept both but I don't think I can

Sign in to comment.


Find more on Structures in Help Center and File Exchange




Community Treasure Hunt

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

Start Hunting!