Undefined function/variable with function
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In my main script, I have the following:
addpath(genpath('...'));
control_dir = '..'
patient_dir = '..'
% function
load_data(control_dir, patient_dir);
in my load_data function:
function [c_3darray, p_3darray] = load_data(control_dir, patient_dir)
controls = fullfile(control_dir, '*.mat');
patients = fullfile(patient_dir,'*.mat');
control_files = dir(controls);
patient_files = dir(patients);
num_roi = 379;
control_3darray = zeros(num_roi, num_roi, length(control_files));
patient_3darray = zeros(num_roi, num_roi, length(patient_files));
for i = 1:length(control_files)
origFilename = control_files(i).name;
fullFilename = fullfile(control_dir, origFilename);
% fprintf(1, '\nProcessing: %s\n', fullFilename);
[filepath, name, ext] = fileparts(fullFilename);
load(fullFilename);
c_3darray(:, :, i) = cov(x);
end
for i = 1:length(patient_files)
origFilename = patient_files(i).name;
fullFilename = fullfile(patient_dir, origFilename);
% fprintf(1, '\nProcessing: %s\n', fullFilename);
[filepath, name, ext] = fileparts(fullFilename);
load(fullFilename);
cov_mat = cov(fullmat_720tr_sc);
p_3darray(:, :, i) = cov(x);
end
end
when I run my main script, I get the error: Undefined function or variable 'control_3darray'. What am I missing here?
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Accepted Answer
Adam Danz
on 6 Apr 2021
Given the incomplete error message, it seems that the error is not with the "control_3darray" variable but with x
c_3darray(:, :, i) = cov(x);
In the line above, x is not defined.
Also, c_3darray should probably be control_3darray. Same with p_3darray and patient_3darrayM.
There may be other errors as well but that's all the deeper I looked.
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