exists = has(ptree,paramname) Description exists= has(ptree,paramname)checks if the parameter with nameparamnameexists in the parameter tree,ptree. example Examples collapse all Connect to a ROS network. Create
A variable named testresults exists in the workspace. Check Existence of Folder Copy Code Copy Command Create the folder myfolder, and then check its existence as a folder. Get mkdir myfolder; exist myfolder dir ans = 7 If you specify the type as file, MATLAB® searches for both fil...
numTest = numel(testImages); outputHeatmapsDir = fullfile(testDir,"heatmaps"); networkBlockSize = [299,299,3]; tic for ind = 1:numTest % Check if TIF file already exists [~,id] = fileparts(testImages(ind).Source); outFile = fullfile(outputHeatmapsDir,id+".tif"); if ~exist(...
0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MATLAB does not have access,existreturns 0. 1—nameis a variable in the workspace. 2—nameis a file with extension.m,.mlx, or.mlapp, ornameis the name of a file ...
% Check if file exists. if ~exist(fullFileName, 'file') % File doesn't exist -- didn't find it there. Check the search path for it. fullFileNameOnSearchPath = baseFileName; % No path this time. if ~exist(fullFileNameOnSearchPath, 'file') ...
0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MATLAB does not have access,existreturns 0. 1—nameis a variable in the workspace. 2—nameis a file with extension.m,.mlx, or.mlapp, ornameis the name of a file ...
Add a setting calledversionto themytoolboxgroup of settings and then check if the setting exists. addpref('mytoolbox','version','1.0') ispref('mytoolbox','version') ans = logical 1 Add two settings to themytoolboxgroup of settings and then check if the settings exist. ...
Linux®platforms —$home/Documents/MATLABif$home/Documentsexists. MATLAB Online™—/users/youruserid. Alternatively, to determine or change the currentuserpathfolder, calluserpath. By default, theuserpathfolder is also the startup folder when you start MATLAB by double-clicking either the MATLAB...
if (fid == -1) if ~isempty(dir(filename)) error(message(‘MATLAB:imagesci:imread:fileReadPermission’, filename)); else error(message(‘MATLAB:imagesci:imread:fileDoesNotExist’, filename)); end else % File exists. Get full filename. ...
0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MATLAB does not have access,existreturns 0. 1—nameis a variable in the workspace. 2—nameis a file with extension.m,.mlx, or.mlapp, ornameis the name of a file ...