Error trying to submit MATLAB assignment for ML Course from Stanford

I've noticed several problems given in the code in submitWithConfiguration.m in the lib folder for submitting the assignments online using MATLAB

For reference, let me tell you all I've tried till now:

1. The directory is correct, all necessary files are included in the search path.
2. I went through several posts indicating that we should rename the instance names of path and submissionUrl. This resolved the error that 'path' was not defined but hence popped up this error instead:

!! Submission failed: Not enough input arguments.


Function: parts
FileName: /MATLAB Drive/machine-learning-ex1/ex1/lib/submitWithConfiguration.m
LineNumber: 94

Please correct your code and resubmit.

This is my code (with renamed variables, and no other changes):

function submitWithConfiguration(conf)
  addpath('./lib/jsonlab');

  partsfun = parts(conf);

  fprintf('== Submitting solutions | %s...\n', conf.itemName);

  tokenFile = 'token.mat';
  if exist(tokenFile, 'file')
    load(tokenFile);
    [email token] = promptToken(email, token, tokenFile);
  else
    [email token] = promptToken('', '', tokenFile);
  end

  if isempty(token)
    fprintf('!! Submission Cancelled\n');
    return
  end

  try
    response = submitParts(conf, email, token, parts);
  catch
    e = lasterror();
    fprintf('\n!! Submission failed: %s\n', e.message);
    fprintf('\n\nFunction: %s\nFileName: %s\nLineNumber: %d\n', ...
      e.stack(1,1).name, e.stack(1,1).file, e.stack(1,1).line);
    fprintf('\nPlease correct your code and resubmit.\n');
    return
  end

  if isfield(response, 'errorMessage')
    fprintf('!! Submission failed: %s\n', response.errorMessage);
  elseif isfield(response, 'errorCode')
    fprintf('!! Submission failed: %s\n', response.message);
  else
    showFeedback(parts, response);
    save(tokenFile, 'email', 'token');
  end
end

function [email token] = promptToken(email, existingToken, tokenFile)
  if (~isempty(email) && ~isempty(existingToken))
    prompt = sprintf( ...
      'Use token from last successful submission (%s)? (Y/n): ', ...
      email);
    reenter = input(prompt, 's');

    if (isempty(reenter) || reenter(1) == 'Y' || reenter(1) == 'y')
      token = existingToken;
      return;
    else
      delete(tokenFile);
    end
  end
  email = input('Login (email address): ', 's');
  token = input('Token: ', 's');
end

function isValid = isValidPartOptionIndex(partOptions, i)
  isValid = (~isempty(i)) && (1 <= i) && (i <= numel(partOptions));
end

function response = submitParts(conf, email, token, parts)
  body = makePostBody(conf, email, token, parts);
  submissionUrl_1 = submissionUrl();

  responseBody = getResponse(submissionUrl_1, body);
  jsonResponse = validateResponse(responseBody);
  response = loadjson(jsonResponse);
end

function body = makePostBody(conf, email, token, parts)
  bodyStruct.assignmentSlug = conf.assignmentSlug;
  bodyStruct.submitterEmail = email;
  bodyStruct.secret = token;
  bodyStruct.parts = makePartsStruct(conf, parts);

  opt.Compact = 1;
  body = savejson('', bodyStruct, opt);
end

function partsStruct = makePartsStruct(conf, parts)
  for part = parts
    partId = part{:}.id;
    fieldName = makeValidFieldName(partId);
    outputStruct.output = conf.output(partId);
    partsStruct.(fieldName) = outputStruct;
  end
end

function [partsfun] = parts(conf)
  partsfun = {};
  for partArray = conf.partArrays
    part.id = partArray{:}{1};
    part.sourceFiles = partArray{:}{2};
    part.name = partArray{:}{3};
    partsfun{end + 1} = part;
  end
end

function showFeedback(parts, response)
  fprintf('== \n');
  fprintf('== %43s | %9s | %-s\n', 'Part Name', 'Score', 'Feedback');
  fprintf('== %43s | %9s | %-s\n', '---------', '-----', '--------');
  for part = parts
    score = '';
    partFeedback = '';
    partFeedback = response.partFeedbacks.(makeValidFieldName(part{:}.id));
    partEvaluation = response.partEvaluations.(makeValidFieldName(part{:}.id));
    score = sprintf('%d / %3d', partEvaluation.score, partEvaluation.maxScore);
    fprintf('== %43s | %9s | %-s\n', part{:}.name, score, partFeedback);
  end
  evaluation = response.evaluation;
  totalScore = sprintf('%d / %d', evaluation.score, evaluation.maxScore);
  fprintf('==                                   --------------------------------\n');
  fprintf('== %43s | %9s | %-s\n', '', totalScore, '');
  fprintf('== \n');
end

% use urlread or curl to send submit results to the grader and get a response
function response = getResponse(url, body)
% try using urlread() and a secure connection
  params = {'jsonBody', body};
  [response, success] = urlread(url, 'post', params);

  if (success == 0)
    % urlread didn't work, try curl & the peer certificate patch
    if ispc
      % testing note: use 'jsonBody =' for a test case
      json_command = sprintf('echo jsonBody=%s | curl -k -X POST -d @- %s', body, url);
    else
      % it's linux/OS X, so use the other form
      json_command = sprintf('echo ''jsonBody=%s'' | curl -k -X POST -d @- %s', body, url);
    end
    % get the response body for the peer certificate patch method
    [code, response] = system(json_command);
    % test the success code
    if (code ~= 0)
      fprintf('[error] submission with curl() was not successful\n');
    end
  end
end

% validate the grader's response
function response = validateResponse(resp)
  % test if the response is json or an HTML page
  isJson = length(resp) > 0 && resp(1) == '{';
  isHtml = findstr(lower(resp), '<html');

  if (isJson)
    response = resp;
  elseif (isHtml)
    % the response is html, so it's probably an error message
    printHTMLContents(resp);
    error('Grader response is an HTML message');
  else
    error('Grader sent no response');
  end
end

% parse a HTML response and print it's contents
function printHTMLContents(response)
  strippedResponse = regexprep(response, '<[^>]+>', ' ');
  strippedResponse = regexprep(strippedResponse, '[\t ]+', ' ');
  fprintf(strippedResponse);
end




%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Service configuration
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function submissionUrl = submissionUrl()
  submissionUrl = 'https://www-origin.coursera.org/api/onDemandProgrammingImmediateFormSubmissions.v1';
end

[sujattha m]

i am also getting same error..

[Haritha GB]

Were you able to solve it? I've finished all my answers, I just need to submit it. It's overdue by now.

[Rahul Kumar Singh]

Error in submit (line 3)

partsfun = parts(conf);

[Harsha Vardhan]

I am geeting same error as partsfun = parts(conf);

how to resolve it , please letme know

Answer 1

[Walter Roberson]

Your line

    response = submitParts(conf, email, token, parts);
    

should be

        response = submitParts(conf, email, token, partsfun);

See https://www.mathworks.com/matlabcentral/answers/481537-submitwithconfiguration-not-working-in-matlab-r2019b#comment_827011

[Haritha GB]

Thank you!!

[Harshad Koshti]

it's not working

[Cris LaPierre]

Your first recourse should be to reach out to the course team via the discussion forum in the course. This is a custom grader they have written. Not only would they appreciate knowing of issues with it not working, but they are in the best position to help you as well.

Answer 2

[Priya Priya]

Execution of script submitWithConfiguration as a function is not supported:

/MATLAB Drive/machine learning/machine learning/lib/submitWithConfiguration.m

Error in submit (line 45)

submitWithConfiguration(conf);

Answer 3

[Priya Priya]

Function: parts

FileName: /MATLAB Drive/machine learning/machine learning/lib/submitWithConfiguration.m

LineNumber: 94

Answer 4

[Praveen Solanki]

Function: makePostBody

FileName: /MATLAB Drive/JYmlIZ1xQWuJpSGdcTFrog_4c8166e044cf408d97b60a92beee1ff1_ex1-ex8-matlab/ex1-ex8-matlab/lib/submitWithConfiguration.m

LineNumber: 80