Unable to perform assignment because the left and right sides have a different number of elements.

load C:\Users\Ranna\Downloads\2017-05-12_batchdata_updated_struct_errorcorrect.mat

batch1 = batch;

numBat1 = size(batch1,2);

load C:\Users\Ranna\Downloads\2017-05-12_batchdata_updated_struct_errorcorrect.mat

%Some batteries continued from the first run into the second. We append

%those to the first batch before continuing.

add_len = [661, 980, 1059, 207, 481];

summary_var_list = {'cycle','QDischarge','QCharge','IR','Tmax','Tavg',...

'Tmin','chargetime'};

batch2_idx = [8:10,16:17];

for i=1:5

batch1(i).cycles(end+1:end+add_len(i)+1) = batch(batch2_idx(i)).cycles;

Answer 1

[Image Analyst]

What is

size(batch(batch2_idx(i)).cycles)

and what is the value of add_len(i)? Evidently they're not the same value so you're trying to stuff either more or fewer elements into a stretch of an array that is defined to be add_len(i) long.