https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90719, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#answer_54085, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90638, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90640, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90643, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90644, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#answer_54095, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90718, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_658414, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_658426, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_1259118, https://www.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_1429174. Hi. column or row vector, respectively. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. Next line first goes through every nested cell element over your cell array and converts the strings into numbers. sites are not optimized for visits from your location. numel(A)/prod([size(A,dim(1)),,size(A,dim(N))]) For more a=randi(100,157,2); b=randi(200,189,2); c=randi(300,183,2); mat={a;b;c}; for i=1:size(mat,1) if i==1 aaa. - Using blkdiag () does not change anything. Learn more about matlab, excel, cell arrays MATLAB Hello all, say you have a 1x4 cell that you would like to augment to a 4x4 matrix consisting of numbers. Accelerating the pace of engineering and science. Please find the below syntaxes that are used while working with cell array: Y=cell (x): This returns array in the form of x by x dimension and empty matrix. Example: Matlab % MATLAB code for put data in the cell array A = {2, 4, 'gfg'} B = {1, 'GFG', {5; 10; 15}} We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Choose a web site to get translated content where available and see local events and The expression for converting a 2-D cell of cells to the corresponding 2-D matrix is C = repmat (cell2mat ( [ A {:} ] ),size (A)) 5 Comments Show 4 older comments Dijle Kaya on 30 Mar 2021 Edited: Dijle Kaya on 30 Mar 2021 Maybe so: a = strings (1,length (A)) % or a = zeros (1,length (A)), if A is an integerarray for i = 1:length (A) The input is this C = {{node_ids}; {node_a}; {node_b}}; where node_ids, node_a and node_b are the matches using regular expression. Reload the page to see its updated state. Are defenders behind an arrow slit attackable? The first column of split_points_rounded and the first row of valid_high_IDs should theoretically be in the same order (these are participant IDs from a study). where each N is a number in single quotes, e.g. You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. If dim > The returns are in a matrix called ret, and they all have the same dimensions. How to access specific data in a cell array. No, you have a cell array of numeric arrays: 1 2 3 4 5 2 3 4 5 6 7 8 9 10 3 4 4 5 6 5 6 7 8 9. For "hello" I obtain 10 1x7 GF arrays. 3. briefly i want to convert this for example 70103x90 how can i do that? How do I check if an array includes a value in JavaScript? CGAC2022 Day 10: Help Santa sort presents! They are much smaller than expected. Help is much appreciated! https://www.mathworks.com/matlabcentral/answers/437542-how-to-convert-cell-to-matrix, https://www.mathworks.com/matlabcentral/answers/437542-how-to-convert-cell-to-matrix#comment_655142, https://www.mathworks.com/matlabcentral/answers/437542-how-to-convert-cell-to-matrix#answer_354278, https://www.mathworks.com/matlabcentral/answers/437542-how-to-convert-cell-to-matrix#comment_655293, https://www.mathworks.com/matlabcentral/answers/437542-how-to-convert-cell-to-matrix#comment_655301. Bracers of armor Vs incorporeal touch attack, Examples of frauds discovered because someone tried to mimic a random sequence. C = num2cell(A) converts array By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Does each cell contain 1x90 array? I want to convert cell 'A' to a matrix 'B'. Are there conservative socialists in the US? Not the answer you're looking for? I used str2double instead and got no errors but instead got NaN values in my matrix. To convert the cell array C back to an dim(i)th dimension has a the same size as A. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. This will eventually lead to 1 by 3 cell, but this time, only 2048 by 2048 pixels. cell arrays of different dimensions. A into cell array C by placing each . cell2mat accepts numeric, logical, or character data within cells of C, or structures with the same field names and data types. -Using cell2mat () prompts the error: Nonscalar arrays of function handles are not allowed; use cell arrays instead. I think this should be RESHAPE instead of REPMAT. Does not work for me. Is it appropriate to ignore emails from a student asking obvious questions? Example 1: Matlab % MATLAB Code for Cell Choose a web site to get translated content where available and see local events and offers. ca {5} = uint8 (grayImage (37, :)); I extracted row #37 of an image called "grayImage", all columns of that row, then cast it to uint8, and then assigned it as the contents (because I used curly . Why is it so much harder to run on a treadmill when not holding the handlebars? Passer au contenu. Sean, instead of getting B= 1 2 3 4 20, The expressions converting a "row cell of cells" to the corresponding "row vector" are, The expression for converting a 2-D cell of cells to the corresponding 2-D matrix is. Dimension of A, specified as a positive Each 4-by-1-by-2 array contains elements from along the first and third dimension of A: Input, specified as any type of multidimensional array. Since a couple of them mentioned about the ridiculous input, this is the reason for having it in the above form. Hope i am clear enough? For example, given a 4-by-7-by-3 array, you can specify cArray = cell (nrClusters, 2); C = {{'123123' '12324' .N times}; {'123123' '12324' .N times}; {'123123' '12324' .N times}} hope this gives more clarity about the question. Any reason for this? I have a matrix called sig1 that indicates that I should perform the regression every time there is a 1 or -1. dimensional length is size(A,dim), and whose The code that I have used is as follows: for iB=1:numel (B) meanB {iB}=mean (B {iB},3); % B is the 3D matrix. I could use some helping figuring out what I am doing wrong and perhaps a way that is more e. Passer au contenu. I am looking for a way to 1) check if they are in the same order and 2) re-order the rows in split_points_rounded according to the order in valid_high_IDs and save that in a new cell array. sum_rows = sum (nrows);% get total rows required. offers. Learn more about cell array, optimization MATLAB. some matrix norm: . The third column represents "rep". Therefore I have the output of regexp as three cell arrays of row vectors. C contains cat(dim,C{:}) where Insert numeric values (rx1 matrix) inside a cell. array A. Data Types: double | single | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64 | logical | char | string | struct | cell | categorical | datetime | duration | calendarDuration | function_handle. If dim is not specified, then C is We can also just declare the type of array as a cell array and can assign the values to it afterward. element of A into a separate cell in This answer works perfectly for me. You can learn more about how this works here: https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html, https://www.mathworks.com/matlabcentral/answers/320713-how-to-operate-on-comma-separated-lists. I could use some helping figuring out what I am doing wrong and perhaps a way that is more e. For example, if A has end. Does a 120cc engine burn 120cc of fuel a minute? From cell array to matrix - MATLAB Answers - MATLAB Central From cell array to matrix 1 view (last 30 days) Show older comments Lev Mihailov on 25 Jul 2019 0 Link Translate Commented: Andrei Bobrov on 25 Jul 2019 Accepted Answer: Andrei Bobrov Hello! In any case, assuming C is your original input data, do this: First line is some dummy data. rev2022.12.9.43105. Matlab Concatenate is used to combine 2 or more characters, strings, or elements of the array . . However, these are still in cell arrays. Based on your location, we recommend that you select: . cell array C, where each cell contains a 1-by-3 I am new to MATLAB so I am not sure of all of the processes . Connecting three parallel LED strips to the same power supply. I tried this and get an error: C = reshape(cell2mat( [ a{:} ] ),size(a)), Brace indexing is not supported for variables of this. MathWorks is the leading developer of mathematical computing software for engineers and scientists. But this takes more time and has more LOC. The goal is to take a message such as "hello" (in 8 bits per character) turn it to binary and add the Hamming (7,4) code to it then combine it all back as one. I need to minimize this expression with respect to : For clarification: is a 4x4 unitary matrix, the part in the middle represents a block diagonal matrix. Why is Singapore considered to be a dictatorial regime and a multi-party democracy at the same time? Learn more about matlab Hello, I have a 4*4 cell array that has a 10*10 matrix within each cell like below (let's call it C): C= And two 10*10 separate matrices let's say: A=rand(10,10); B=rand(10,10); Using these . Your input data is pretty bad. why are you using a nested array of cells where each element is a string? . Theme Copy c = {1,2,3,4,5, [], [],8,9,10}; m = cell2mat (c); I = identity matrix (4 by 4), A = matrix (4 by 4). MathWorks is the leading developer of mathematical computing software for engineers and scientists. A magnifying glass. Please help me to formulate a loop (over n cells > in cell array) which adds the. @EyesOfzil If you get that error with the above method then your input is malformed and not as described in the question or demoed in this answer. Unable to complete the action because of changes made to the page. The expression for converting a 2-D cell of cells to the corresponding 2-D matrix is C = repmat (cell2mat ( [ A {:} ] ),size (A)) Dijle Kaya on 30 Mar 2021 a = strings (1,length (A)) % or a = zeros (1,length (A)), if A is an integerarray Sign in to answer this question. . I have a matrix called split_points_rounded and a cell array called valid_high_IDs.The first column of split_points_rounded and the first row of valid_high_IDs should theoretically be in the same order (these are participant IDs from a study). Find the treasures in MATLAB Central and discover how the community can help you! Should teachers encourage good students to help weaker ones? I tried B(1)=cell2mat(A{1}), but can I avoid doing it one by one? numel(A)/size(A,dim) cells. length of size(A,dim(i)) and whose other For If dim is a vector containing It's more like merging two data frames based on the need. Also, I used the above method and i got the following error: Error using str2num (line 33) Requires string or character array input. Looking at your comments it seems, like these are cell strings. dim is 1 or 2, then each cell contains a . C = num2cell(A,dim) splits offers. Each 4-by-1 vector contains elements from along the first dimension of A: Create a 4-by-1-by-2 cell array of 1-by-3 numeric arrays. Asking for help, clarification, or responding to other answers. cell = {A B C}; % ABC into cell array . Input cell array, in which all cells contain the same data type. However, these are still in cell arrays. nrows = cellfun (@length, combi); %get rows in each cell . It indicates, "Click . Run MATLAB Functions in Thread-Based Environment, Run MATLAB Functions with Distributed Arrays. If so, cell2mat function works, as: Theme % 2x1 Sample cell array C = {rand (1,90),rand (1,90)}; % cell2mat will convert it into 2x90 array X = cell2mat (C); Sign in to comment. Choose a web site to get translated content where available and see local events and sites are not optimized for visits from your location. Web browsers do not support MATLAB commands. dimensions are singletons. the dimensions of the arrays in each cell of C to match more information, see Run MATLAB Functions in Thread-Based Environment. Find the treasures in MATLAB Central and discover how the community can help you! Place all elements of a numeric array into separate cells. In MATLAB, cell arrays are a type of arrays which stores elements of different data types and sizes in different cells, or one could say that cell arrays allow users to store heterogeneous data into a single array. Based on dim can be a scalar or Currently it is not clear what the "{1x1 cell}" contains. 2, then each cell contains an array whose dimth If . Sign in to answer this question. Learn more about cell array, optimization MATLAB I need to minimize this expression with respect to : For clarification: is a 4x4 unitary matrix, the part in the middle represents a block diagonal matrix. Final = zeros (sum_rows,2); % pre-allocate matrix of appropriate size. This function fully supports distributed arrays. Python Convert cell arrays element-wise ( cellfun ) Apply a function to each cell element X = cellfun (@function , CellArray) Convert cell array into matrix % convert. Connect and share knowledge within a single location that is structured and easy to search. column of A. num2cell(A,2) creates a 2-by-1 Convert array to cell array with consistently sized cells. Reload the page to see its updated state. MATLAB Language Fundamentals Matrices and Arrays Creating and Concatenating Matrices Find more on Creating and Concatenating Matrices in Help Center and File Exchange Tags cell array matrix Poll How much time should be spent searching for a solution before asking a question in the forum? Other MathWorks country sites are not optimized for visits from your location. Learn more about cell, cell array, cell arrays MATLAB. the order of the specified dimensions. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. As usual it would be helpful if you post the input data in valid Matlab syntax, such that we can try our suggestion by copy&paste them. Choose a web site to get translated content where available and see local events and Learn more about cell, cell array, cell arrays, merge, matrix, matrices MATLAB. As such, the next line converts each cell array in the nested cell into a matrix, then we merge all of the cells together into one final matrix. how to convert a matrix to a cell array Follow 413 views (last 30 days) Show older comments John on 30 Jul 2012 Vote 1 Link Commented: william katzianer on 21 Jul 2020 Accepted Answer: Andrei Bobrov Hi there, I have a 2x10 matrix. Theme Copy X % matrix [rows x 2 columns] double matrix_points = function_main (X); Within the function "function_main.m" there is this part of code where I then derive "matrix_points": Theme Copy count_rows = height (px); % px is an array count_rows x columns if count_rows == 2 matrix_points = function_1 (input); elseif count_rows == 3 Help is much appreciated, thanks :) If so, % cell2mat will convert it into 2x90 array, You may receive emails, depending on your. Resulting array, returned as a cell array. cell2mat does not accept objects or nested cells within C. Extended Capabilities Tall Arrays Calculate with arrays that have more rows than fit in memory. Each 1-by-1-by-2 vector contains elements from along the third dimension of A: Create a cell array by combining elements into numeric arrays along several dimensions. Unable to complete the action because of changes made to the page. where dim specifies which dimensions of A to Learn more about plot, for loop, matrix array, store Hi, I am trying to generate the data for each cell and store it for the time history then plot it. I have the following generic code that generates me a 3x1 "output" cell. They are 1xN cells where each cell element is a string. Accelerating the pace of engineering and science. Hi, I am creating a Hamming(7,4) code and am holding the contents in a 1x7 gf array. https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90719, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#answer_54085, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90638, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90640, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90643, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90644, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#answer_54095, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_90718, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_658414, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_658426, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_1259118, https://la.mathworks.com/matlabcentral/answers/44092-cell-array-converts-to-matrix-how#comment_1429174. For example, given a 4-by-7-by-3 array, A, this i have 70103x1 cell array but i want to convert this to matrix i want every array open one row. corresponding to dim values of Other MathWorks country refund apple store gift card. As usual it would be helpful if you post the input data in valid Matlab syntax, such that we can try our suggestion by copy&paste them. Generate a 4-by-3-by-2 numeric array, and then create a 1-by-3-by-2 cell array of 4-by-1 column vectors. be between 1 and ndims(A). My question is can it be done with fewer lines of code? Does not work for me. @IKavanagh. I want to convert cell 'A' to a matrix 'B'. is there a way to make this work for a cell array containing cell arrays of different sizes? is there a way to make this work for a cell array containing cell arrays of different sizes? your location, we recommend that you select: . Place individual letters of a word into separate cells of an array. Theme Copy for i = 1:length (Animal)-1 Y= [X {i}]; I have cell arrays, help me deal with the loop. How could my characters be tricked into thinking they are on Mars? Partition large arrays across the combined memory of your cluster using Parallel Computing Toolbox. I think this should be RESHAPE instead of REPMAT. CellArray) Convert cell array into matrix % convert. The three nested array of cells are the results of a regexp where my string and expression are both strings. C = rand (15,2); % just 3 diff length matrices. For example, let us create a cell array which holds the name and age of a person. Next line first goes through every nested cell element over your cell array and converts the strings into numbers. Learn more about matrix array, array, cell array, matlab, mathematics, galois MATLAB. Each 1-by-3 row vector contains elements from along the second dimension of A: Finally, create a 4-by-3 cell array of 1-by-1-by-2 numeric arrays. Convert array to cell array with consistently sized cells collapse all in page Syntax C = num2cell(A) C = num2cell(A,dim) Description example C= num2cell(A)converts array Ainto cell array Cby placing each element of Ainto a separate cell in C. integer or a vector of positive integers. Other MathWorks country sites are not optimized for visits from your location. Cell array to matrix conversion in matlab. How can I remove a specific item from an array? Find the treasures in MATLAB Central and discover how the community can help you! To learn more, see our tips on writing great answers. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Is there a way to append the 1x7 to the big array? cell array C, where each cell contains a 2-by-1 array, use the cell2mat function, or use the syntax I can use cat function and then use a str2double for all three cell arrays and finally form a matrix by cell2mat. Do you have a cell array of cell arrays, as Greg Heath wrote? Ready to optimize your JavaScript with Rust? Making statements based on opinion; back them up with references or personal experience. Unable to complete the action because of changes made to the page. Something can be done or not a fit? include in each cell. your location, we recommend that you select: . As such, the next line converts each cell array in the nested cell into a matrix, then we merge all of the cells together into one final matrix. The first column of split_points_rounded and the first row of valid_high_IDs should theoretically be in the same order (these are participant IDs from a study). online gps phone tracker. cell array C, where the cell contains the entire other dimensions are all singletons. dim must I tried this and get an error: C = reshape(cell2mat( [ a{:} ] ),size(a)), Brace indexing is not supported for variables of this. Learn more about cell array, optimization MATLAB. Did neanderthals need vitamin C from the diet? The Hamming code can only do 4 bits at a time so it is returning a 1x7 GF array. For example, if the cell array has 10 cells but 2 cells are empty, then when this cell array is passed into CELL2MAT, the output matrix will only have 8 elements. Does each cell contain 1x90 array? Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros. I pass in a cell array to the CELL2MAT function but the output matrix has less elements than the cell array. The size of C depends Concatenation can also be used to combine 2 matrices and create a new matrix of larger size. However, num2cell permutes Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, C={{1xN}; {1xN}; {1xN}}; where each N is a number in single quotes(for ex. Based on a = strings(1,length(A)) % or a = zeros(1,length(A)), if A is an integerarray, a(1,i) = (convertCharsToStrings(A{i})) %if A is a Stringarray, You may receive emails, depending on your. No, you have a cell array of numeric arrays: 1 2 3 4 5 2 3 4 5 6 7 8 9 10 3 4 4 5 6 5 6 7 8 9. Name of a play about the morality of prostitution (kind of). I have cross-cheked the values, but have found that I am not getting the right values. I need to minimize this expression with respect to : For clarification: is a 4x4 unitary matrix, the part in the middle represents a block diagonal matrix. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Would anybody know how I could convert it into a 1x10 cell array - so that each cell contains a 2x1 matrix? It helps us in combining data present in different cells . 2 rows and 3 columns, then: num2cell(A,1) creates a 1-by-3 I guess the reason for that error is C = {{node_ids}; {node_a}; {node_b}}; is not the same as C = {{'123123' '12324'}; {'123123' '12324'}; {'123123' '12324'}}; sorry for the confusion created. 1, 2, and Hey guys @IKavanagh , I have edited my question for using this type of input data. 2) re-order the rows in split_points_rounded according to the order in valid_high_IDs and save that in a new cell array. Do you have a cell array of cell arrays, as Greg Heath wrote? I would like to covert three <1xN cell> (A, B and C) into a single Nx3 matrix. I would like to insert a column of 100: rep = repmat(100,157,1); inside the first cell (see image) so that 157x2 becomes 157x3. figure shows how num2cell creates cells Find centralized, trusted content and collaborate around the technologies you use most. Thank you : 0. How to insert an item into an array at a specific index (JavaScript), Sort array of objects by string property value. offers. Could someone help me with this? How to convert cell array of matrices into a column matrix in MATLAB? Why would Henry want to close the breach? a = strings(1,length(A)) % or a = zeros(1,length(A)), if A is an integerarray, a(1,i) = (convertCharsToStrings(A{i})) %if A is a Stringarray, You may receive emails, depending on your. Accepted Answer madhan ravi on 29 Dec 2018 2 Link Theme Copy [yourcellarray {:}] Sign in to comment. information, see Run MATLAB Functions with Distributed Arrays (Parallel Computing Toolbox). dim specifies the dimensions. C. The num2cell function converts an array that has any data typeeven a nonnumeric type. N values, then C has The rubber protection cover does not pass through the hole in the rim. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. For e.g. I tried using the cat function but keep getting this error: Cannot support cell arrays containing cell arrays or objects. Other MathWorks country row of A. num2cell(A,[1 2]) creates a 1-by-1 I need a matrix because I will do further multiplication with other 4x4 matrices while the variable s has to be preserved for optimization purposes. That seems like a useless/bad/weird thing to do, but whatever, here is how to save row #37 to cell array "ca" in cell number 5: Theme. Cell array and matrix operation. A cell array is nothing but a data type having indexed data containers called cells, where each cell contains any type of data. Hello all, say you have a 1x4 cell that you would like to augment to a 4x4 matrix consisting of numbers. Elements do not need to be in numeric order. Learn more about matlab, excel, cell arrays MATLAB. xbox family settings pc. Each cell contains an array whose Don't waste time searching-just ask I am trying to populate a 125x32 cell array with regression residuals over previous 30-day returns. You can learn more about how this works here: https://www.mathworks.com/help/matlab/matlab_prog/comma-separated-lists.html, https://www.mathworks.com/matlabcentral/answers/320713-how-to-operate-on-comma-separated-lists. the contents of A into separate cells of C, Thanks for contributing an answer to Stack Overflow! Looking at your comments it seems, like these are cell strings. Its block elements are a 2x2 identity. For e.g. It mainly contains either a list of texts, combinations of text and numbers, or numeric arrays of different sizes. This function fully supports thread-based environments. Based on However I wish to minimize over the product of cell arrays such that the matrix V is minimized w.r.t. a vector of dimensions. Accelerating the pace of engineering and science. Typesetting Malayalam in xelatex & lualatex gives error. your location, we recommend that you select: . dim as a positive integer vector to create on the size of A and the values of dim. cells. The expressions converting a "row cell of cells" to the corresponding "row vector" are B = [ A { : } ] C = [ B { : } ] The expression for converting a 2-D cell of cells to the corresponding 2-D matrix is C = repmat (cell2mat ( [ A {:} ] ),size (A)) Sign in to answer this question. We get: In Matlab, cell arrays can be represented by using cell function. Reload the page to see its updated state. If dim is a scalar, then Sean, instead of getting B= 1 2 3 4 20, The expressions converting a "row cell of cells" to the corresponding "row vector" are, The expression for converting a 2-D cell of cells to the corresponding 2-D matrix is. You have a modified version of this example. Do you want to open this example with your edits? Convert the contents of a cell array into a single matrix How to convert matrix to structure with following output Matlab: convert (i,j) matrix to (1,j) array Convert cell array columns into matrix columns convert from array of cells to a matrix Currently it is not clear what the "{1x1 cell}" contains. Learn more about cell array, indexing hello all, Suppose there is a cell array like {F}1N, where each cell contains a matrix such as F{1}104, F{2}114, F{3}124, . load XY.mat % Number of clusters nrClusters = 8; % partition the observations of the data matrix XTrain into nrClusters [idx, C] = kmeans (XTrain, nrClusters); % Cell array will have nrClusters x 2 % Each row of the cell array will contain rows from XTrain % Grouped together based on the idx cluster they belong to. Data Types: double | single | int8 | int16 | int32 | int64 | uint8 | uint16 | uint32 | uint64. Copy. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Maybe you could post the specific data that is causing you an issue? I tried B(1)=cell2mat(A{1}), but can I avoid doing it one by one? 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