how to filter data based on one value in a column?
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how to filter data based on one value in a column. i have 40000 rows and 4 columns. in 4th column i have values 1, 2, 3, 4. i want to filter all records in which the values of the 4th column should only be 3. the data is 40000 X 4 double type.
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Cris LaPierre
il 1 Nov 2021
A = rand(10,3);
A(:,4) = randi(4,10,1)
idx = A(:,4)==3;
B = A(idx,:)
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