Another (less preferred, loops are generally not welcome in MATLAB) solution is to loop over your cell array and use matrix concatenation. In the example you wrote you need to transpose A in order to use cell2mat : cell2mat(A') will output B as wanted cell2mat conversion. Learn more about cell2mat I have got a cell (198x1) and i try to convert the cell in to a matrix but cell2mat doesen't work. Learn more about cell2mat MATLAB Oct 11, 2012 · This MATLAB function converts a cell array to an ordinary array. Each cell has to contain elements of the same size. All components of c must have the same data type (strings or doubles or integers or booleans). Feb 28, 2019 · Hello, I am trying to use the cell2mat in a for loop in order to convert my cell array in a double array. Les éléments du cell array doivent tous contenir le même type de données, et le tableau résultant aura ce même type. Dec 7, 2018 · Cell2mat for cell arrays with numeric strings of different size in Matlab Asked 7 years, 1 month ago Modified 7 years, 1 month ago Viewed 2k times Jul 16, 2021 · Convert values in the cell to array using cell2mat. Here is the link. Learn more about cell array, matrix, conversion cell array Input cell array, in which all cells contain the same data type. Moreover, for each pair of neighboring cells, the dimensions of the cell's contents must match, excluding the Apr 20, 2015 · How can I convert a cell to matrices by loop using with cell2mat in Matlab? Asked 10 years, 8 months ago Modified 10 years, 8 months ago Viewed 1k times Apr 14, 2022 · Cell of Strings, using cell2mat gives Dimensions Learn more about cell2mat, matlab MATLAB Oct 15, 2014 · Cell2mat for unequal lengths - MATLAB Asked 11 years, 2 months ago Modified 11 years, 1 month ago Viewed 3k times Nov 10, 2012 · This MATLAB function converts a cell array to an ordinary array. We would like to show you a description here but the site won’t allow us. cell2mat accepts numeric or character data within cells of C, or structures with the same field names and data types. fast cell2mat with padding or numerical equivalent of pad function that works very fast on cellarray of variable length uint8 vectors Seguir 7 visualizaciones (últimos 30 días) Mostrar comentarios más antiguos Description cell2mat (c) returns a matrix which is the concatenation of all components of the cell array c. Learn more about cell array, cell2mat, coordinates Feb 12, 2013 · Save this answer. m (may require other functions) Back to functions Jul 18, 2015 · 笔者注：从解析可以看出就是直接按行拼接成了矩阵，但由于元宝数组内数据可以不同为，矩阵内必须同维，所以应该不是所有的元宝素组都能转化为矩阵。再看一个例子，a是1*50的cell，每个cell是1*26，那么cell2mat (a)是1*（50*26）的行向量，如果cell2mat (a')得到50*26。 May 8, 2025 · 本文介绍Matlab中cell2mat与num2cell函数的使用方法，包括如何将元胞数组转换为矩阵及数值数组转换为元胞数组的具体操作。通过实例演示不同维度切割的应用。 May 13, 2013 · When using cell2mat you have to be really careful with dimensions. Now the size is 128x64. Learn more about image analysis Hi, I have one cell with 256X10 string valuesIf I want to convert it to matrix of size 256X10 (using cell2mat) it contains full of strings. The output i want is such that the content of each of the cell is m Oct 25, 2018 · Secondly, that in MATLAB indexing cannot be arbitrarily added on to the end of any other expression, so you will need to use a temporary variable. Dec 3, 2020 · Converting cell array to matrix. Jun 16, 2016 · Error with cell2mat . This is fairly simple, just use the colon operator and concatenate all vectors vertically: and so we get: cell2mat converts a multidimensional cell array of matrices into a single matrix. The CELL2MAT function is used to convert ce Feb 15, 2015 · cell array to vector using cell2mat. A = cell2mat (C) converts a cell array into an ordinary array. 클래스 기반 객체를 결합할 수 있는 방법에 대한 자세한 내용은 Concatenating Objects of Different Classes 항목을 참조하십시오. Also cell2mat command was not working directly. One column is in matrix [] format and the other is in string format i. to keep it short, I essentially have a CSV file that inputs one giant matrix (1616x4) that is in fact 8 different data sets (201x4), so I set up a for loop to split them into the 8 data sets, The for Mar 7, 2012 · Cell2mat conversion. Nov 10, 2012 · A = cell2mat(C) convertit un cell array en un tableau ordinaire. See the matlab file cell2mat. Aug 9, 2025 · This MATLAB function converts a character array or string scalar to a numeric matrix. Inside it has 4 different matrices of size 32X64. The cells can have different data types if MATLAB ® can convert the data types to one output type. For example: cellfun( @(x) strfind( x , 'openmask'), fileNames, 'uniformo Jul 16, 2021 · Convert values in the cell to array using cell2mat. For examples of basic data type combinations and their resulting types, see Valid Combinations of Unlike Classes. The elements of the cell array must all contain the same data type, and the resulting array is of that data type. A workaround could be to convert all elements inside aa into doubles, and later call cell2mat() Jan 4, 2014 · Just transposing your cell array and then passing it to cell2mat will probably be enough. See examples, syntax, input arguments, common errors, and performance considerations. Region Code US 1 EU 2 I then have the following code to determine the row number for the EU region. Learn more about cell array, matrix, conversion Oct 11, 2012 · This MATLAB function converts a cell array to an ordinary array. Aug 16, 2020 · Cell2Mat for cells with different dimensions. Learn more about cell2mat MATLAB Jun 9, 2018 · How to use cell2mat in a for loop?. See syntax, description, remarks and examples of how to use this function. If I have a cell array B, of dimensions 6x5, of which each element contains a double 10x4, such as: for i Hi everyone, I am trying to create a double from specific elements of a cell array. I used htemp=cell2mat (h). Esta función de MATLAB convierte un arreglo de celdas en un arreglo ordinario. Show activity on this post. I have a cell array of size h=4X1. cell2mat does not accept objects or nested cells within C. See examples, comments and timings for different approaches. 1. true So I have a code in which I'm trying to convert some cells to matrices. Hi everyone, I am trying to create a double from specific elements of a cell array. Please note that the recommended version of Scilab is 2025. Is there a function being able to transform the whole cell to a matrix in double? We would like to show you a description here but the site won’t allow us. Learn more about cell arrays, vector MATLAB Jul 8, 2017 · I have a function that uses strfind in a cellfun call to find which string items in a cell array match a specified string. Jan 2, 2019 · Cell2mat - creating a matrix from mismatched Learn more about cell arrays MATLAB Diese MATLAB-Funktion konvertiert ein Zellenarray in ein gewöhnliches Array. cell2mat also accepts cell arrays containing class-based objects. I pulled out the column from the cell array and tried to do cell2mat on it to turn it into a Sep 22, 2021 · I have a 1 x 10 cell with Non-uniform data in each cell array. In MATLAB, you can convert a cell array containing numeric values to a double array using the `cell2mat` function, which concatenates the contents of the cell and converts it to a double type. The code looks like the one below: for j=1:length(j) for ii=1:lentgh(A) y This MATLAB function converts a cell array to an ordinary array. May 22, 2019 · cell2mat conversion. Learn more about cell2mat, forloop Oct 11, 2012 · This MATLAB function converts a cell array to an ordinary array. Sep 21, 2015 · Hi. Nov 10, 2012 · Esta función de MATLAB convierte un arreglo de celdas en un arreglo ordinario. When I run it I get the following error: In an assignment A(I) = B, the number of elements in B and I Sep 10, 2017 · Working mostly in 2 dimensions with cell arrays this probably is a familiar topic to you: a{1,1}=rand(5,1); a{2,1}=rand(10,1); b=cell2mat(a); size(b) the output of which will be the size of [15 1]. Sep 14, 2015 · I think I'm losing my mind. cell2mat は、クラスベースオブジェクトを含む cell 配列も受け入れます。クラスベースオブジェクトを結合する方法の詳細については、異なるクラスのオブジェクトの連結を参照してください。 cell2mat は、 C の中で入れ子にされたセルは受け入れません。 Feb 15, 2019 · If I use cell2mat on each row separately, I receive one matrix as double and one as int32. In MATLAB, you can convert a cell array to a regular array using the `cell2mat` function, which concatenates the contents of the cell array into a numeric array if the contents are compatible. When I use cell2mat, the empty cells are ignored, and I end up with a matrix of s This MATLAB function converts a cell array to an ordinary array. Oct 19, 2019 · 使用cell2mat可以将cell转换为数组；若对象不是cell，我们便不能使用该函数 {}的组分块内任你怎么浪，只要组成都能拼，但是不一定能使用cell2mat了，比如示例中的e12 I have an array of empty cells and ones that I want to convert to a logical array, where the empty cells are zeros. The contents of c must be able to concatenate into a hyperrectangle. This MATLAB function converts a cell array to an ordinary array. When I try do it with the function cell2mat I get a 1 by 1 matrix with in spot 1,1 all numbers seperated by com Does anyone know how to create a matrix from a cell array where some of the cells have different lengths? Basically my instrument got interrupted when writing it's output file and finished halfway Jul 6, 2012 · cell array to vector using cell2mat. I have got a cell array C, but I would like to convert it to a ordinary array. Oct 13, 2021 · Convert a cell array into arrays. For each row i of c, cell2mat of c, cell2mat concatenates all the components of the i th row of the cell array c. 'qqq' is a 3x1 char array, while 'ww' is a 2x1 array, elements not compatible with cell2mat. This page might be outdated. If I have a cell array B, of dimensions 6x5, of which each element contains a double 10x4, such as: for i Nov 10, 2012 · This MATLAB function converts a cell array to an ordinary array. cell2mat Convert cell array of matrices into single matrix Syntax m = cell2mat(c) Description m = cell2mat(c) converts a multidimensional cell array, c, with contents of the same data type into a single matrix, m. If I have a cell array B, of dimensions 6x5, of which each element contains a double 10x4, such as: for i Nov 3, 2015 · I'm optimizing some code at the moment and can't figure out a way to go faster than MATLAB's cell2mat. Oct 25, 2018 · Hi everyone, I am trying to create a double from specific elements of a cell array. Learn how to use the cell2mat function to convert cell arrays into matrices in MATLAB. I can't access the matrix elements like matrix (4,5) How to convert the cell of strings to matrix. Please post your ideas Apr 5, 2017 · Convert a cell array that contains numbers and Learn more about cell2mat, nan, cell array I demonstrate how to use the MATLAB built-in function CELL2MAT and some potential applications for this function. Learn more about cell arrays, vector MATLAB In MATLAB, you can convert a cell array to a regular array using the `cell2mat` function, which concatenates the contents of the cell array into a numeric array if the contents are compatible. Jul 17, 2012 · 1 Well, you have mixed data types here so there isn't a very straight forward way to do it. cell2mat 는 C 내에 셀이 중첩되는 것을 허용하지 않습니다. How to convert it to matrix. However, this page did not exist in the previous stable version. Learn more about cell2mat, brace indexing Jun 2, 2017 · I tried converting cell array to Table & extracted table column 1 but the result is again a cell array since values in Table are of String Type. When I try do it with the function cell2mat I get a 1 by 1 matrix with in spot 1,1 all numbers seperated by com cell2mat 는 클래스 기반 객체를 포함하는 셀형 배열도 받습니다. I have a 3 x 2 cell which looks exactly like below. Learn more about cell2mat, cellfun Feb 4, 2023 · I demonstrate how to use the MATLAB built-in function CELL2MAT and some potential applications for this function. Scilab Help >> Code Matlab => Scilab > Matlab-Scilab equivalents > C > cell2mat (Matlab function). Nov 10, 2012 · This MATLAB function converts a cell array to an ordinary array. Oct 11, 2012 · This MATLAB function converts a cell array to an ordinary array. I've looked on the mathworks site as to how the "Cell2Mat" function works but I still can't get it to do what I want. This MATLAB function converts array A into cell array C by placing each element of A into a separate cell in C. Learn more about cell2mat, non-cell, array, error Econometrics Toolbox Mar 1, 2021 · Does cell2mat work in Matlab 2019?. The easiest way I can think of, if you know where the data is you want, is to simply use cell2mat IE: cell2mat(C(1,1)) would return 1 as a double. I found an implementation of something similar but it only works when we can split it evenly. For now, the multiple uses of cell2mat in my code represent more than 15% of the processing ti This MATLAB function creates a structure array from the information contained in the cell array and using the specified field names. Different name but the functionality is exactly the same. Mar 7, 2012 · Cell2mat conversion. e. we need to match [2000] with '200 Jun 8, 2016 · I have 4865 1-by-1 cell arrays, I need to convert them to into an ordinary array by cell2mat. Oct 19, 2022 · "Why does cell2mat convert a cell array into a matrix of characters, instead of a matrix of cell contents?" because in MATLAB what you call a matrix of cell content is actually called a cell array. Learn more about cell2mat, cellfun May 27, 2011 · check cell's contents and convert to matrix. Mar 28, 2023 · I have a cell array of size h=4X1. Learn more about cell2mat, cell, cellfun, isnumeric, isclass Mar 30, 2015 · Does numpy have the cell2mat function? Here is the link to matlab. Jul 15, 2022 · 文章浏览阅读2w次，点赞14次，收藏69次。本文详细介绍了MATLAB中cell2mat函数的使用方法，包括如何将元胞数组转换为数值数组或结构体数组。通过具体示例展示了不同情况下元胞数组的转换过程。 Jun 5, 2020 · 本文介绍如何使用Matlab的cell2mat函数将元胞数组转换为普通数组。通过实例展示了转换过程，强调了元胞内容必须能组合成N维矩形的要求。 May 22, 2019 · cell2mat conversion. Learn more about cell array, matrix, conversion Feb 8, 2024 · cell2mat not working. Oct 17, 2011 · Learn how to convert a cell array of character vectors to numbers using str2double or other methods. Jan 16, 2013 · Does anyone know how to create a matrix from a cell array where some of the cells have different lengths? Basically my instrument got interrupted when writing it's output file and finished halfway We would like to show you a description here but the site won’t allow us. If I have a cell array B, of dimensions 6x5, of which each element contains a double 10x4, such as: for i Oct 13, 2022 · fast cell2mat with padding or numerical equivalent of pad function that works very fast on cellarray of variable length uint8 vectors Follow 7 views (last 30 days) Show older comments Aug 6, 2015 · I need to convert a column in 2 matrices to the same datatype so that I can run ismember. Please post your ideas We would like to show you a description here but the site won’t allow us. How do a cell2mat conversion without losing any of the element. Sep 27, 2013 · I'm trying to plot something in a cell array, so I'm trying to convert one of the columns to a matrix. 0. Feb 8, 2024 · cell2mat not working. Learn more about cell2mat, cell arrays, cell, array, double, convert, mat, matrix Sep 21, 2015 · Hi.

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Cell2mat Matlab. Another (less preferred, loops are generally not welcome in MATLAB)