How to fix subplot instant of tiledlayout.i'm using 2018 version MATLAB

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first of all i'm using 2018 version of MATLAB. when i excute below program an unexpected error occuring...........please help me to fix this
guidata(hObject, handles);
disp('Entered');
guidata(hObject, handles);
folder_name = uigetdir('','Select src data Directory');
if isequal(folder_name,0)
disp('Directory Selected');
else
% set(handles.EEGFilename,'string','Wait Loading File.......');
disp(['You have selected ', fullfile(folder_name)]);
disp('CHD Audio file processing wait')
handles.srcFolder= fullfile(folder_name);
% set(handles.edDirName,'string',handles.srcFolder);
end
guidata(hObject, handles);
% Specify the folder where the files live.
k='';
myFolder = 'F:\audio';
folder ='F:\';
% AudioArray{k} = audioread(fullfile(folder));
% maxaudio(k) = max(AudioArray{k});
% myFolder = 'F:\audio';
% Check to make sure that folder actually exists. Warn user if it doesn't.
if ~isfolder(myFolder)
errorMessage = sprintf('Error: The following folder does not exist:\n%s\nPlease specify a new folder.', myFolder);
uiwait(warndlg(errorMessage));
myFolder = uigetdir(); % Ask for a new one.
if myFolder == 0
% User clicked Cancel
return;
end
end
% Get a list of all files in the folder with the desired file name pattern.
filePattern = fullfile(myFolder, '**/*.wav'); % Change to whatever pattern you need.
theFiles = dir(filePattern);
for k = 1 : length(theFiles)
baseFileName = theFiles(k).name;
fullFileName = fullfile(theFiles(k).folder, baseFileName);
fprintf(1, 'Now reading %s\n', fullFileName);
% Now do whatever you want with this file name,
% such as reading it in as an image array with imread()
AudioArray = audioread(fullFileName);
[y,fs] = audioread(fullFileName);
subplot = 'theFiles';
tiledlayout('flow')
for k = 1 : length(theFiles)
baseFileName = theFiles(k).name;
fullFileName = fullfile(theFiles(k).folder, baseFileName);
% read the file with audioread
[y,fs]=audioread(fullFileName);
% this defines a time variable for your x axis:
t = linspace(0, height(y)/fs, height(y));
% this adds another tile (axes) to your layout
nexttile
% plot it
plot(t,y)
% label it
xlabel('Time (s)')
ylabel('Amplitude')
set(gcf,'MenuBar','none')
end
ERROR
undefined function or variable 'tiledlayout'.

Accepted Answer

Image Analyst
Image Analyst on 4 Oct 2021
tiledlayout was introduced in R2019b. To fix use subplot() like Walter showed you. Also, have your inner loop be over k2 instead of k.

More Answers (1)

Walter Roberson
Walter Roberson on 4 Oct 2021
guidata(hObject, handles);
disp('Entered');
guidata(hObject, handles);
folder_name = uigetdir('','Select src data Directory');
if isequal(folder_name,0)
disp('Directory Selected');
else
% set(handles.EEGFilename,'string','Wait Loading File.......');
disp(['You have selected ', fullfile(folder_name)]);
disp('CHD Audio file processing wait')
handles.srcFolder= fullfile(folder_name);
% set(handles.edDirName,'string',handles.srcFolder);
end
guidata(hObject, handles);
% Specify the folder where the files live.
k='';
myFolder = 'F:\audio';
folder ='F:\';
% AudioArray{k} = audioread(fullfile(folder));
% maxaudio(k) = max(AudioArray{k});
% myFolder = 'F:\audio';
% Check to make sure that folder actually exists. Warn user if it doesn't.
if ~isfolder(myFolder)
errorMessage = sprintf('Error: The following folder does not exist:\n%s\nPlease specify a new folder.', myFolder);
uiwait(warndlg(errorMessage));
myFolder = uigetdir(); % Ask for a new one.
if myFolder == 0
% User clicked Cancel
return;
end
end
% Get a list of all files in the folder with the desired file name pattern.
filePattern = fullfile(myFolder, '**/*.wav'); % Change to whatever pattern you need.
theFiles = dir(filePattern);
numfiles = length(theFiles);
for k = 1 : numfiles
baseFileName = theFiles(k).name;
fullFileName = fullfile(theFiles(k).folder, baseFileName);
fprintf(1, 'Now reading %s\n', fullFileName);
% Now do whatever you want with this file name,
% such as reading it in as an image array with imread()
AudioArray = audioread(fullFileName);
[y,fs] = audioread(fullFileName);
k_copy = k;
for k = 1 : numfiles
baseFileName = theFiles(k).name;
fullFileName = fullfile(theFiles(k).folder, baseFileName);
% read the file with audioread
[y,fs]=audioread(fullFileName);
% this defines a time variable for your x axis:
t = linspace(0, height(y)/fs, height(y));
subplot(numfiles, numfiles, (k_copy - 1)*numfiles + k);
% plot it
plot(t,y)
% label it
xlabel('Time (s)')
ylabel('Amplitude')
set(gcf,'MenuBar','none')
end
end
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