diff --git a/desktop.ini b/desktop.ini
new file mode 100644
index 0000000..0575776
Binary files /dev/null and b/desktop.ini differ
diff --git a/scripts/matlab2python/mat2py_listnumpy.m b/scripts/matlab2python/mat2py_listnumpy.m
index 692a97b..dd254ac 100644
--- a/scripts/matlab2python/mat2py_listnumpy.m
+++ b/scripts/matlab2python/mat2py_listnumpy.m
@@ -12,7 +12,7 @@
 
    % Convert MATLAB arrays to NumPy arrays
    for i = 1:numel(matlab_arrays)
-       np_array = py.numpy.array(matlab_arrays{i}(:).');  % Convert to column vector and then to NumPy array
+       np_array = py.numpy.array(matlab_arrays{i});  % Convert to column vector and then to NumPy array
        py_arrays.append(np_array);
    end
 end
diff --git a/scripts/save_tsdf_data.m b/scripts/save_tsdf_data.m
index 13aa9fb..23e2f81 100644
--- a/scripts/save_tsdf_data.m
+++ b/scripts/save_tsdf_data.m
@@ -22,7 +22,7 @@
     py_dir_path = py.str(mat_dir_path);
     py_metadata_file_name = py.str(mat_metadata_file_name);
 
-    
+   
     % Run the python script save_tsdf_data.py and get the 3 outputs
     [py_succ, ~] = pyrunfile("tsdf_python_interface\save_tsdf_data.py",["Success" "Return_list_metadata" "Return_list_data"], py_list_metadata=py_list_metadata, py_list_data=py_list_data, py_dir_path=py_dir_path, py_metadata_file_name=py_metadata_file_name);
 
diff --git a/scripts/tsdf_python_interface/save_tsdf_data.py b/scripts/tsdf_python_interface/save_tsdf_data.py
index 80023d9..ea7a0ff 100644
--- a/scripts/tsdf_python_interface/save_tsdf_data.py
+++ b/scripts/tsdf_python_interface/save_tsdf_data.py
@@ -26,6 +26,7 @@
 for metadata, data in zip(py_list_metadata, py_list_data):
     metadata = json.loads(metadata)
     file_name = metadata["file_name"]
+    print(data.shape)
     new_metadata = tsdf.write_binary_file(py_dir_path, file_name, data, metadata)
     py_updated_list_metadata.append(new_metadata)
 
diff --git a/tsdf_values_idx.m b/tsdf_values_idx.m
new file mode 100644
index 0000000..d5c241a
--- /dev/null
+++ b/tsdf_values_idx.m
@@ -0,0 +1,10 @@
+function indices = tsdf_values_idx(metadata_list, X, week)
+    indices = [];
+    for i = 1:length(metadata_list)
+        % Use regular expression to match the pattern
+        expression = sprintf('WatchData\\.(PPG|IMU|EDA|ECG)\\.Week%s\\.raw_segment\\d+_%s\\.bin', num2str(week), X);
+        if ~isempty(regexp(metadata_list{i}.file_name, expression, 'once'))
+            indices = [indices, i];
+        end
+    end
+end
\ No newline at end of file