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

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

Answer 1

[Akira Agata]

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