creation of matrices based on output
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okoth ochola
le 22 Jan 2023
Commenté : Walter Roberson
le 22 Jan 2023
Hi, I have the program below which when run gives extracted matrices with corresponding means. My problem is to tell the program to ouput all the means inside onesinlge matrix. Can someone assist me with this kindly. My input for A and B were A=[1 1 1 1 2 2 2 2 3 3 3 3]'; B=[3 4 6 7 8 9 0 12 4 5 6 8]';
%when this code is run and you input A and B which were (A=[1 1 1 1 2 2 2 2 3 3 3 3]'; B=[3 4 6 7 8 9 0 12 4 5 6 8]';)
A=input('input sample matrix\n');
B=input('enter the second matrix\n');
C=[A B];
for i=1:1:3
selectedRowsLogicalIndices = A == i;
subsetBdata = B(selectedRowsLogicalIndices)
mean(subsetBdata)
end
Below are the reulst that i got;
subsetBdata =
3
4
6
7
ans =
5
subsetBdata =
8
9
0
12
ans =
7.2500
subsetBdata =
4
5
6
8
ans =
5.7500
>>
I want all the means to be in matrix form like below;
ouput I want is below;
[5 7.25 5.75]'
or a matrix of all the subdatasets
4 commentaires
Réponse acceptée
Sargondjani
le 22 Jan 2023
D(i,1) = mean(subsetBdata)
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