turning the loop answer into a vector
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load data_matrix.mat
data=SECTION_L;
data(:,1:3)=[];
row=9;
cleanup=data([1 2 3 row],:);
for i = 1975:2016
for j=1:12
averageM={mean(cleanup(4,cleanup(1,:)==i & cleanup(2,:)==j))}
end
end
This script gives me constant 1x1 arrays. This script takes temperatures from each day from each month from each year from 1975 to 2016. The script gives the averages from each month but doesnt put it in a vector, but makes multiple 1x1 arrays and i do not know how to put all the averages into one big vector.
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采纳的回答
David Hill
2022-11-29
load data_matrix.mat
data=SECTION_L;
data(:,1:3)=[];
row=9;
cleanup=data([1 2 3 row],:);
c=1;
for i = 1975:2016
for j=1:12
averageM(c)={mean(cleanup(4,cleanup(1,:)==i & cleanup(2,:)==j))};%index into averageM
c=c+1;
end
end
3 个评论
Walter Roberson
2022-11-30
We do not know what class(SECTION_L) is. Also, it is possible that you had an existing numeric averageM in your workspace that is interfering with the assignment.