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21 Sep 2011 Learn more about empty, cell MATLAB. checks every element in the cell array individually, and reports whether each cell is empty or not. If you want to delete all the rows in your cell array where all cell are empty, you can use the follwing: a = { 1, 2; 3, 4; [], []} emptyCells Use CELLFUN %# find empty cells emptyCells = cellfun(@isempty,a); %# remove If you want to know whether the the i-th cell is empty, you have to use curly brackets to access the content of the cell. Also, ==[] evaluates to These functions detect the state of MATLAB entities: isa, Detect object of given MATLAB class or Java class. isappdata, Determine if Determine if input is cell array of strings. ischar, Determine if Determine if input is empty array. isequal is there any command that will tell if a cell array is empty? > ('isempty' would tell that it is not even if it will be empty). Please define what you This MATLAB function returns logical 1 (true) if A is an empty array and logical 0 (false) otherwise. Empty arrays in MATLAB come in different sized and number of dimensions. for matrices; {} for cell arrays; struct([]) for structure arrays calculated using other variables, e.g., before using ones(m, n-m) one needs to explicitly check if n>=m. If you know your cell array is only going to contain ones and [] (which represent your zeroes), you can just use the function CELLFUN to get a 26 Mar 2008 So, cellfun is a function that applies a function ( isempty here) to each cell of a cell array ( C here). If you enjoy general Matlab functions that Let's consider the following cell array. Its second column consists only of [] , so it It contains 1 at entry (m,n) if and only if c{m,n} is empty.
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