MATLAB: Identify numbers greater than a specific number

MATLAB

Hello I have the following data T = { 3 5 6 7 8 9 2 6 9 10 2 12 13} I want to know the numbers that are greater than for instance 7 and their position on the array. Thank for your help in advance Tino

Best Answer

T =[3 5 6 7 8 9 2 6 9 10 2 12 13];
idx=find(T>7)   % Gives index position
num=T(idx)      % Gives Numbers

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MATLAB: How to find a subset matrix in the main matrix and build a new matrix

I assume that the order of the rows in C don't matter:

[~,~, ib] = intersect(A, B(:, 1:5), 'rows'); %find rows of A in B
ids = B(ib, 6);                              %get the ID of those rows
C = B(ismember(B(:, 6), ids), :);            %get rows whose ID match

MATLAB: How to merge data

X= [1991   1   3   3   1;
         1992   5   6   6   5;
         1993   9   9   9   9;
         1991   2   2   2   2;
         1992   6   6   6   6;
         1993   8   8   8   8;
         1991   4   4   4   4;
         1992   6   6   6   6] ;
Y= [1991   7   7   7   7;
    1992   8   8   8   8;
    1993   9   9   9   9] ;
Z1 = [] ;
for i = 1:size(X,1)
    idx = find(X(i,1) == Y(:,1)) ;
    Z1(i,:) = [X(i,:)  Y(idx,2:end)] ;
end

PS: Z1 is not initialized, so it will be time consuming. A temporary solution.

Best Answer

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MATLAB: How to find a subset matrix in the main matrix and build a new matrix

MATLAB: How to merge data

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