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How do I average the columns for the respective rows to draw a graph?

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Lakyn
Lakyn 2016-8-11
评论： Star Strider 2016-8-11
Hi!
So right now I have a data set of 76x2000, so thats 76 rows with 2000 data each. I want to average those 2000 data, and get a single value for each of the 76 rows.
After this, I want to graph those single values as the y-axis, and x-axis as 1-76 "units".
Thank you very much for your help!

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Star Strider
Star Strider 2016-8-11
This works:
M = randi(99, 76, 2000); % Create Matrix
RowMean = mean(M,2);
x = 1:size(M,1);
figure(1)
plot(x, RowMean)
grid
  2 个评论
Lakyn
Lakyn 2016-8-11
编辑：Lakyn 2016-8-11
Hi! thanks for the reply, in this case, is M the data set? and do I just write that as a function? I already have A = 76x2000 data in my workspace. Thanks!
Star Strider
Star Strider 2016-8-11
My pleasure!
In my code, ‘M’ is your data matrix. You just include the code I wrote in your script, wherever you want it, after assigning ‘A’.
If ‘A’ is your data matrix, my code becomes:
RowMean = mean(A,2);
x = 1:size(A,1);
figure(1)
plot(x, RowMean)
grid

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