i have a text file with 1000 set of values having 4 different values in each set. i want o read a set of values for given specfic number

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Bhargavkrishna Kondreddy 2017-3-21

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https://ww2.mathworks.cn/matlabcentral/answers/330954-i-have-a-text-file-with-1000-set-of-values-having-4-different-values-in-each-set-i-want-o-read-a

回答： Akira Agata 2017-3-21

PIVlab1_1_0002.txt

the txt file in which i attached has 2394 set of values having 4 different values in each set. i want to read a set of value for specfic 'x' value. how can i do that. can anyone please help.Thanking you

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Answer 1

Akira Agata 2017-3-21

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How about the following code?

Data = csvread('PIVlab1_1_0002.txt',3); % Ignore first 3 lines
idx = Data(:,1) == 65;                  % Specific x value (e.g. x = 65)
Data_selected = Data(idx,:);            % Extract the data