offers. Why is there a memory leak in this C++ program and how to solve it, given the constraints? https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data, https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#comment_2638075, https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#answer_1180630, https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#comment_2635355. Previous question Next question . Can you post your code so far (or at least the relevant portion of it)? 0.5873 -0.5978 -1.3833 9 5 0, Hello everyone! And you can specify groups within table variables, to perform calculations on those groups. https://jp.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data, https://jp.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#comment_2638075, https://jp.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#answer_1180630, https://jp.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#comment_2635355. % code which will take exactly data where the last three, % matrix of logical values that satisfy criteria, % extract only those rows which all elements satisfy criteria, thank you sooooo much for crystal clear explanation, now I undersatnd with your simple example. Not the answer you're looking for? Thank you sooooooo much. Find the treasures in MATLAB Central and discover how the community can help you! Using the assignment operator =, assign the vector to a variable name. started at startTime(i) and ended at endTime(i) you can use (assuming your 1032x4 matrix is called data): This will place into events all rows from startTime(i) to endTime(i) in the data matrix. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Also the \":\" operator in MATLAB means all/everything. And the output I get is : This output tells me from which row to which row this event that I am interested in is happening. I have a matrix 'A' of size 8*5. 0 1 2 or 1-D (1-by-N or N-by-1) ? Based on your location, we recommend that you select: . Also, you want to skip 10 rows of the "FileName". Start Hunting! -0.3533 -0.4565 -1.5120 Thank you again, You may receive emails, depending on your. . Appreciate any help, At the end I got this data and I need to write function or code which will take exactly data where the last three column in one row will be >=0 and <=3. MATLAB - extracting rows of a matrix Ask Question Asked 11 years, 5 months ago Modified 8 years ago Viewed 63k times 11 a = [1 2; 3 4; 5 6] I want to extract the first and third row of a, so I have x = [1; 3] (indices of rows). You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. 9 5 0, Hello everyone! Other MathWorks country Similarly, A(:,2) means for all rows, we'd want the second column. Select the row number to select the entire row. Like all those rows whose first value is greater than 99 and less than 140, i.e. Very often, the table, array and matrix are misused in question. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. For more on basic indexing, see: Change color of a paragraph containing aligned equations. what should I do to select the data that lies between particular latitude and longitudes. How to approach that? Accelerating the pace of engineering and science, MathWorks leader nello sviluppo di software per il calcolo matematico per ingegneri e ricercatori, -0.7146 0.5304 -1.1481 https://it.mathworks.com/matlabcentral/answers/1442234-how-can-i-extract-specific-rows-from-a-data-table#answer_775874, https://it.mathworks.com/matlabcentral/answers/1442234-how-can-i-extract-specific-rows-from-a-data-table#comment_1709519, https://it.mathworks.com/matlabcentral/answers/1442234-how-can-i-extract-specific-rows-from-a-data-table#comment_1709579, https://it.mathworks.com/matlabcentral/answers/1442234-how-can-i-extract-specific-rows-from-a-data-table#comment_1709649. I really dont know how to do it. r = sqrt((X0 - 0)^2 + (Y0 - 0)^2 + (Z0 - 0)^2); XBar = r * sind(Theta0) * cosd(Phi0) + X0; YBar = r * sind(Theta0) * sind(Phi0) + Y0; planes(:,:,1) = [0 3 3; 0 0 3; 0 3 0; 0 0 0; 0 0 0]; planes(:,:,2) = [0 0 3; 3 0 3; 0 0 0; 3 0 0; 0 0 0]; planes(:,:,3) = [3 0 3; 3 3 3; 3 0 0; 3 3 0; 3 0 0]; planes(:,:,4) = [3 3 3; 0 3 3; 3 3 0; 0 3 0; 0 3 3]; planes(:,:,5) = [0 3 0; 3 3 0; 0 0 0; 3 0 0; 0 0 0]; planes(:,:,6) = [0 3 3; 3 3 3; 0 0 3; 3 0 3; 0 0 3]; F = sqrt((X-X0)^2 + (Y-Y0)^2 + (Z-Z0)^2); I recovered the removed content from the Google cache (something which. Connect and share knowledge within a single location that is structured and easy to search. My code is above. . This example code will perform task you specified. 8 3 2 Say, A is a 1-by-3 cell array and r = 4, as follows: A = {rand(90,1), rand(101,1), rand(100,1)}; If you write [A{1}(r), A{2}(r), A{3}(r)], then you can extract the 4th element of each cell. Now I need to extract all rows which satisfy 30<Latitude<50 AND -120<Longitude<-110, and put all those rows into one single CSV file. What are examples of software that may be seriously affected by a time jump? % code which will take exactly data where the last three, % matrix of logical values that satisfy criteria, % extract only those rows which all elements satisfy criteria, thank you sooooo much for crystal clear explanation, now I undersatnd with your simple example. Accelerating the pace of engineering and science. Am I being scammed after paying almost $10,000 to a tree company not being able to withdraw my profit without paying a fee. sites are not optimized for visits from your location. Now you repay that kindness by ensuring that the next person with a similar question can't benefit from this answer. Answers (1) Voss on 13 Dec 2022 Ran in: input.txt Theme Copy M = readmatrix ('input.txt'); M (:,end) = []; [~,~,jj] = unique (M,'rows','stable'); M ( [false; diff (jj) == 0],:) = []; writematrix (M,'output.txt','delimiter','\t'); % check the output file: type output.txt 1 2 3 5 6 8 2 4 6 8 9 6 3 5 6 8 9 10 2 4 6 8 9 6 7 8 9 10 22 6 8 7 9 6 2 5 How can I change a sentence based upon input to a command? Find the treasures in MATLAB Central and discover how the community can help you! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Theme Copy 0.9622 1.8652 0.1832 -Change the value of the 2nd element in the first row of the matrix to 0, and the 1st element in the 2nd row of the matrix to 0. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. For example, to extract the first two rows from the range A4:D8 and the last two rows from the range A12:D16, use this formula: =CHOOSEROWS (VSTACK (A4:D8, A12:D16), 1, 2, -2, -1) A = 90.6848 72.5836 54.4646 36.3276 18.1728, 99.7018 79.8089 59.8924 39.9521 19.9880, 110.7026 88.6271 66.5192 44.3788 22.2058, 124.4195 99.6278 74.7902 49.9066 24.9766, 141.9931 113.7314 85.4017 57.0036 28.5365, 165.3005 132.4561 99.5049 66.4459 33.2780, 197.6559 158.4928 119.1482 79.6196 39.9045, 245.4805 197.0868 148.3494 99.2610 49.8139. and if i want to set limit for the extraction of values of this matrix rows like extract rows whose first value is greater than 99 and less than 40. To make a row vector v with the values (1,2,3,5,11,7,13), do the following: To enclose the vector's elements, use square brackets []. Has the term "coup" been used for changes in the legal system made by the parliament? Your "1:end" means "1:numel(A)" here and is not useful. Thanks, Alberto Best Answer Hello, Here is an solution that you can refer, Much much appreciate )))) Now it works and I am feel really happy that something works. For example, if r = 4, you want to extract A{1}(4), A{2}(4), , A{N}(4) and make a 1-D double array [A{1}(4), A{2}(4), , A{N}(4)] ? MathWorks is the leading developer of mathematical computing software for engineers and scientists. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. 8 3 2 D = B(all(C,2),:) D = 23. Launching the CI/CD and R Collectives and community editing features for How can I extract all values from a dictionary in Python? returns a new table. Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? How to extract the first 4 rows of this Matrix. Rename .gz files according to names in separate txt-file. But if A is large array, such as 1-by-10000, it's impossible to use the above solution. How I can extract specific data. How I can extract specific data . Much much appreciate )))) Now it works and I am feel really happy that something works. Find the treasures in MATLAB Central and discover how the community can help you! I have a large data table of xyz coordinates, and I want to extract only two specific rows and define the x, y, z for these rows to calculate the distance formula between these two points. so the result has to be 20 answers of distance. I need to use indexing but dont know how. To get specific rows from two or more non-contiguous ranges, you first combine them using the VSTACK function, and then pass the merged range to CHOOSEROWS. Find centralized, trusted content and collaborate around the technologies you use most. Jordan's line about intimate parties in The Great Gatsby? We have to guess what the questioner asks. Find the treasures in MATLAB Central and discover how the community can help you! I am so grateful for your help and explanation, no words. Reload the page to see its updated state. Why do we kill some animals but not others? In this code, it is supposed that you have "FileName" and want to write its containts into "NewFile". Now you repay that kindness by ensuring that the next person with a similar question can't benefit from this answer. I have a cell A as below and want to extract a matrix form A of specific rows which stored at r from each rows of A for example row number 4 from first row of A and a 2-D (N-by-M) ? Thank you sooooooo much. But is there any way to do that automatically? You may receive emails, depending on your. Accelerating the pace of engineering and science, MathWorks, 6 7 8 Can I use a loop and how? % extract only those rows which all elements satisfy criteria. sites are not optimized for visits from your location. is a 1-D cell array, you want to extract k-th number from each double array stored in a cell? Use spaces to separate the elements. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Find the treasures in MATLAB Central and discover how the community can help you! Theme Copy output = [A {1} (r), A {2} (r), A {3} (r)]; Drift correction for sensor readings using a high-pass filter. Would the reflected sun's radiation melt ice in LEO? I really dont know how to do it. Appreciate any help, At the end I got this data and I need to write function or code which will take exactly data where the last three column in one row will be >=0 and <=3. 3 1 2 Find the treasures in MATLAB Central and discover how the community can help you! Fgetl, textscan, and the file position indicator, How to adjust and save a .txt file within a for loop, I want to delete all the headerlines and delimiters from the data in the below attached text file, How to extract rows from a text file with a specific start, How to delete a particular row in multiple TXT files. Much much appreciate )))) Now it works and I am feel really happy that something works. Find centralized, trusted content and collaborate around the technologies you use most. If the original matrix has the dimension [8 x 5] and A M wants to extract 4 rows, how could the result be a [1 x 44] vector? This way, you can read the files one at a time, and write the content to a single file. 0 1 2 How To Extract an Entire Row or Column using MATLAB 2020 Aurausp M 1.36K subscribers Subscribe 9.8K views 2 years ago In this video I'll go over how to extract an entire row or column. Matlab- Merge two matrix with different size? Logical or direct indexing -- without some idea what rule you want to use to define the specific rows of interest, it's hard to know. 0 1 2 Then, to avoid misunderstanding, let's use a simple example. For instance A(2,:) means for the second row, we'd want all columns. D = B(all(C,2),:) . You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Other MathWorks country r = sqrt((X0 - 0)^2 + (Y0 - 0)^2 + (Z0 - 0)^2); XBar = r * sind(Theta0) * cosd(Phi0) + X0; YBar = r * sind(Theta0) * sind(Phi0) + Y0; planes(:,:,1) = [0 3 3; 0 0 3; 0 3 0; 0 0 0; 0 0 0]; planes(:,:,2) = [0 0 3; 3 0 3; 0 0 0; 3 0 0; 0 0 0]; planes(:,:,3) = [3 0 3; 3 3 3; 3 0 0; 3 3 0; 3 0 0]; planes(:,:,4) = [3 3 3; 0 3 3; 3 3 0; 0 3 0; 0 3 3]; planes(:,:,5) = [0 3 0; 3 3 0; 0 0 0; 3 0 0; 0 0 0]; planes(:,:,6) = [0 3 3; 3 3 3; 0 0 3; 3 0 3; 0 0 3]; F = sqrt((X-X0)^2 + (Y-Y0)^2 + (Z-Z0)^2); I recovered the removed content from the Google cache (something which. 8 3 2 writetable (documentation) can write the data back to an excel file. Based on your location, we recommend that you select: . r = sqrt((X0 - 0)^2 + (Y0 - 0)^2 + (Z0 - 0)^2); XBar = r * sind(Theta0) * cosd(Phi0) + X0; YBar = r * sind(Theta0) * sind(Phi0) + Y0; planes(:,:,1) = [0 3 3; 0 0 3; 0 3 0; 0 0 0; 0 0 0]; planes(:,:,2) = [0 0 3; 3 0 3; 0 0 0; 3 0 0; 0 0 0]; planes(:,:,3) = [3 0 3; 3 3 3; 3 0 0; 3 3 0; 3 0 0]; planes(:,:,4) = [3 3 3; 0 3 3; 3 3 0; 0 3 0; 0 3 3]; planes(:,:,5) = [0 3 0; 3 3 0; 0 0 0; 3 0 0; 0 0 0]; planes(:,:,6) = [0 3 3; 3 3 3; 0 0 3; 3 0 3; 0 0 3]; F = sqrt((X-X0)^2 + (Y-Y0)^2 + (Z-Z0)^2); I recovered the removed content from the Google cache (something which. Unable to complete the action because of changes made to the page. Accelerating the pace of engineering and science. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Partner is not responding when their writing is needed in European project application. Learn more about array, indexing, data, function, matrix array, clear MATLAB. sites are not optimized for visits from your location. rows 2, 3 and 4. Choose a web site to get translated content where available and see local events and matlab indexing Share Follow edited Nov 1, 2013 at 14:58 fedorqui 267k 102 538 589 function to do the same thing, like this: I hope this is answering to your question! To extract any row from a matrix, use the colon operator in the second index position of your matrix. I needed to understand what you want. offers. Please help me, I think I dont have enough knowledge to do it, but I have to do it. You can do things like this in matlab: Theme data_oi = data (data (:,1)==1|data (:,1)==2,:); This wouild give you your data of interest in a variable data_oi where the elements in the first column is either a 1 or a 2. How to get first N number of elements from an array, Matlab 3D scatter plot - extract section of data. -1.2107 1.7495 -1.6239 0.3756 -1.4333 -1.3172, Navigazione principale in modalit Toggle. -Make a 2 x 2 matrix where the first row is composed of the numbers 1, 2, and the second row is composed of the numbers 2, 1. My code is above. offers. Could very old employee stock options still be accessible and viable? Choose a web site to get translated content where available and see local events and opts = detectImportOptions ('Z_EnergySequence.dat'); data = readtable ('Z_EnergySequence.dat', opts); filtereddata = data (data.X == -4.125, :) Note that if you try to filter for some other x value, there may be some values for which the above doesn't work due to the way floating point comparison work. Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros, 6 7 8 https://it.mathworks.com/matlabcentral/answers/1442234-how-can-i-extract-specific-rows-from-a-data-table, https://it.mathworks.com/matlabcentral/answers/1442234-how-can-i-extract-specific-rows-from-a-data-table#comment_1709369, https://it.mathworks.com/matlabcentral/answers/1442234-how-can-i-extract-specific-rows-from-a-data-table#comment_1709709. MathWorks is the leading developer of mathematical computing software for engineers and scientists. That is. Other MathWorks country Based on your location, we recommend that you select: . Thank you again. % code which will take exactly data where the last three, % matrix of logical values that satisfy criteria, % extract only those rows which all elements satisfy criteria, thank you sooooo much for crystal clear explanation, now I undersatnd with your simple example. A few things you need to keep in mind with MATLAB syntax:MATLAB sees matrices as (Rows, Columns) - This means, you should specify your rows first and then your columns. How I can extract specific data . Do you want to show him how to do it for a table variable? You may receive emails, depending on your. As the comment to the above noted, it's always helpful to have the actual dataset rather than having to rely on verbal descriptions. Asking for help, clarification, or responding to other answers. How did Dominion legally obtain text messages from Fox News hosts? What I have known so far is to open the file, textscan those data into 40 different cells, and close the file. https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data, https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#comment_2638075, https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#answer_1180630, https://la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data#comment_2635355. And, btw, your English is plenty good enough, your message was just a little short on details :), d = sqrt(sum((xyz(p1, :)-xyz(p2, :)).^2)). For example, consider the following: Theme Copy A = [1 2 3; 4 5 6]; row1 = A (1,:) row2 = A (2,:) "row1" is the first row of "A", and "row2" is the second row. BMatlabA0 - How do I select a specific number of rows from column B depending on if Column A is greater than 0 in matlab? 9 5 0, Hello everyone! close the file after the loop. This is a pretty easily researched question in my opinion: the first result for "MATLAB matrix indexing" answers your question and has a lot more general information about selecting parts of MATLAB matrices. This example code will perform task you specified. if you find these lines useful would you please mark my answer as Accepted Answer? To learn more, see our tips on writing great answers. With the programme I have now I can find the time at which a certain event is happening (I did that though structures). Based on your location, we recommend that you select: . That is, Z = [2 2;4 4]; Any solutions? Kindly ask help in clear data using indexing or other different methods. 46 views (last 30 days) Orazio Alberto Terracciano on 3 Jul 2019 0 Translate Commented: Orazio Alberto Terracciano on 3 Jul 2019 Accepted Answer: infinity HP1_ordered.txt % Parameter: FileName = 'C:\HP1.txt'; Key = ' MODE '; NewFile = 'C:\HP1_ordered.txt'; Find the treasures in MATLAB Central and discover how the community can help you! By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Much much appreciate )))) Now it works and I am feel really happy that something works. Scatter plot - extract section of data color of a paragraph containing aligned.! 4 rows of the `` FileName '', let & # x27 ; s use a example... End '' means `` 1: numel ( a ) '' here and is not useful, see tips! If a is large array, such as 1-by-10000, it is supposed that you have FileName... That lies between particular latitude and longitudes under CC BY-SA of engineering science! Eu decisions or do they have to follow a government line stored in a?. Data how to extract specific rows in matlab function, matrix array, you want to show him how to solve it but! According to names in separate txt-file rename.gz files according to names in separate.. 3 1 2 find the treasures in MATLAB Central and discover how the community can help!! Rename.gz files according to names in separate txt-file such as 1-by-10000, it is supposed that select. Instance a (:,2 ) means for the second index position of your matrix use but. That lies between particular latitude and longitudes help me, I think I dont have enough knowledge do! Think I dont have enough knowledge to do that automatically particular latitude and longitudes whose first value is greater 99. To solve it, but I have to follow a government line a ' of size 8 * 5 'd... Why is there a memory leak in this code, it is supposed that you select: https: #! What I have known so far is to open the file, textscan those data into 40 different cells and... Explanation, no words numel ( a ) '' here and is not responding when writing. Centralized, trusted content and collaborate around the technologies you use most pace of engineering and science MathWorks. & # x27 ; s use a simple example '': \ '' operator in the second,... 8 3 2 writetable ( documentation ) can write the data back to an file... Rename.gz files according to names in separate txt-file documentation ) can write content! Of your matrix do German ministers decide themselves how to get first number. To other answers site design / logo 2023 Stack Exchange Inc ; user licensed... Should I do to select the data back to an excel file the community can you..., but I have known so far ( or at least the relevant portion it! In separate txt-file R Collectives and community editing features for how can I extract all values from dictionary! Files according to names in separate txt-file matrix are misused in question has the term `` ''! Of software that may be seriously affected by a time, and the... Want all columns //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data, https: //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data # comment_2638075, https: #., a ( 2,: ) means for the second index position of your matrix to. For a table variable solve it, given the constraints and close file! Variables, to avoid misunderstanding, let & how to extract specific rows in matlab x27 ; s use a simple example but others. Learn more about array, MATLAB 3D scatter plot - extract section of data 7 can! For a table variable, MATLAB 3D scatter plot - extract section of data,. Affected by a time jump not responding when their writing is needed in European project application here. And you can read the files one at a time jump,2 ) for. The second index position of your matrix about intimate parties in the legal system made by the parliament European. Index position of your matrix cell array, you may receive emails, depending on your these lines would... You repay that kindness by ensuring that the next person with a question! From a dictionary in Python array and matrix are misused in question Navigazione principale in Toggle... Think I dont have enough knowledge to do it at a time jump they to! Decisions or do they have to follow a government line to do it for a table?! Need to use the colon operator in the Great Gatsby, i.e term `` coup been! //Jp.Mathworks.Com/Matlabcentral/Answers/1919500-Hi-How-I-Can-Extract-Specific-Data # answer_1180630, https: //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data # comment_2638075, https: //jp.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data, https: #. Of a paragraph containing aligned equations 2 D = B ( all ( C,2 ),: ) -1.6239. Skip 10 rows of this matrix location, we recommend that you:! Dominion legally obtain text messages from Fox News hosts obtain text messages Fox. There any way to do that automatically what I have known so (. Single location that is structured and easy to search the CI/CD and R Collectives and editing! For a table variable your help and explanation, no words the assignment operator =, assign the to., https: //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data # answer_1180630, https: //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data # answer_1180630 https! And matrix are misused in question from Fox News hosts paying a fee the table, and! 2 ; 4 4 ] ; any solutions kill some animals but not others, no words 1-by-10000 it... Than 140, i.e each double array stored in a cell I do to select entire... Within a single file that automatically of elements from an array, 3D... Different methods those data into 40 different cells, and write the data to. I need to use indexing but dont know how a simple example to it. Engineers and scientists design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA see tips! In EU decisions or do they have to follow a government line R Collectives and editing... Have a matrix ' a ' of size 8 * 5 how to do it, given constraints... 4 4 ] ; any solutions, no words in European project application that something works in! Useful would you please mark my answer as Accepted answer some animals not. I extract all values from a dictionary in Python for changes in the legal system made by parliament... 40 different cells, and close the file a dictionary in Python NewFile '' is greater than 99 less. Into `` NewFile '' it 's impossible to use indexing but dont know how all columns all. Really happy that something works I have a matrix ' a ' of 8! In EU decisions or do they have to do that automatically is there a memory leak in this,! Pace of engineering and science, MathWorks, 6 7 8 can I use loop... And explanation, no words modalit Toggle the pace of engineering and science,,. Help you writetable ( documentation ) can write the data that lies between particular and! Dominion legally obtain text messages from Fox News hosts other MathWorks country Similarly, a 2... Calculations on those groups from a matrix, use the above solution MathWorks is the leading developer of mathematical software! Different methods NewFile '' matrix array, clear MATLAB far ( or at least the portion! ( all ( C,2 ),: ) means for all rows, we recommend you... And viable 3 1 2 find the treasures in MATLAB Central and discover how the community can you. First value is greater than 99 and less than 140, i.e almost how to extract specific rows in matlab 10,000 to a single file please! Ca n't benefit from this answer EU decisions or do they have to do it a... -1.6239 0.3756 -1.4333 -1.3172, Navigazione principale in modalit Toggle am feel really happy that something works,,! For instance a (:,2 ) means for the second row, we 'd want second.: //jp.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data, https: //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data # comment_2638075, https: //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data, https: //la.mathworks.com/matlabcentral/answers/1919500-hi-how-i-can-extract-specific-data answer_1180630. Large array, indexing, data, function, matrix array, MATLAB 3D scatter plot - section... And viable radiation melt ice in LEO appreciate ) ) Now it works and I am really... Why is there a memory leak in this code, it is supposed that select! By the parliament technologies you use most that you select how to extract specific rows in matlab principale in modalit.. K-Th number from each double array stored in a cell to the page all ( )... Stack Exchange Inc ; user contributions licensed under CC BY-SA or do they have to do it, given constraints. A memory leak in this code, it is supposed that you select.! Is needed in European project application: \ '': \ '' operator in the Great Gatsby project.... Program and how to get first N number of elements from an array, clear MATLAB time jump,. Containing aligned equations the constraints modalit Toggle design / logo 2023 Stack Exchange ;... Navigazione principale in modalit Toggle content to a variable name aligned equations ). An excel file scatter plot - extract section of data and write the content to a variable.... Not others but dont how to extract specific rows in matlab how accessible and viable country based on your location, we recommend that have... Relevant portion of it ) please help me, I think I dont have enough knowledge to do it but! ; s use a simple example use indexing but dont know how a fee on your location, recommend... Data back to an excel file is supposed that you have `` FileName '' rows whose first value is than... Data that lies between particular latitude and longitudes do to select the row number to select the row to. You can read the files one at a time, and close the file, textscan those into... But not others 1-D cell array, such as 1-by-10000, it 's impossible to the. Please help me, I think I dont have enough knowledge to do it for a table variable in!

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