How using a loop to add up the same numbers in a matrix and store the numbers in a new matrix

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Loo Lee Chong
Loo Lee Chong 2022-5-20
回答： Chandra 2022-5-23
m=[1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9]
for x=1:length(m)
How to compare the data in the matrix and get the same values and add them together then store it in a new matrix.

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回答（1 个）

Chandra
Chandra 2022-5-23
Hi,
Here the code is shown such that the values stored are non repeatednon-repeated and addition of repeated values together
Please find the code below
m=[1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9];
%m = [1 2 4 56 3 35 6 1 2 3 4 2];
m1 = m;
b =0;
for x=1:length(m1)-1
for j = x+1:length(m1)
if j>length(m1)
break
end
if m1(x)==m1(j)
b = b+m(x);
m1(j) = '';
if j==x+1
j= j-1;
end
end
end
m2(x) = b;
if x<=length(m1)-1
b = m1(x+1);
end
end
m2 = m2(1:length(m1));
m2 %final output values are stored in m2
Refer to the following documentation for unique values that are not repeated:
https://www.mathworks.com/help/matlab/ref/double.unique.html

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