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  1. function submit()
  2.   addpath('./lib');
  3.  
  4.   conf.assignmentSlug = 'linear-regression';
  5.   conf.itemName = 'Linear Regression with Multiple Variables';
  6.   conf.partArrays = { ...
  7.     { ...
  8.       '1', ...
  9.       { 'warmUpExercise.m' }, ...
  10.       'Warm-up Exercise', ...
  11.     }, ...
  12.     { ...
  13.       '2', ...
  14.       { 'computeCost.m' }, ...
  15.       'Computing Cost (for One Variable)', ...
  16.     }, ...
  17.     { ...
  18.       '3', ...
  19.       { 'gradientDescent.m' }, ...
  20.       'Gradient Descent (for One Variable)', ...
  21.     }, ...
  22.     { ...
  23.       '4', ...
  24.       { 'featureNormalize.m' }, ...
  25.       'Feature Normalization', ...
  26.     }, ...
  27.     { ...
  28.       '5', ...
  29.       { 'computeCostMulti.m' }, ...
  30.       'Computing Cost (for Multiple Variables)', ...
  31.     }, ...
  32.     { ...
  33.       '6', ...
  34.       { 'gradientDescentMulti.m' }, ...
  35.       'Gradient Descent (for Multiple Variables)', ...
  36.     }, ...
  37.     { ...
  38.       '7', ...
  39.       { 'normalEqn.m' }, ...
  40.       'Normal Equations', ...
  41.     }, ...
  42.   };
  43.   conf.output = @output;
  44.  
  45.   submitWithConfiguration(conf);
  46. end
  47.  
  48. function out = output(partId)
  49.   % Random Test Cases
  50.   X1 = [ones(20,1) (exp(1) + exp(2) * (0.1:0.1:2))'];
  51.   Y1 = X1(:,2) + sin(X1(:,1)) + cos(X1(:,2));
  52.   X2 = [X1 X1(:,2).^0.5 X1(:,2).^0.25];
  53.   Y2 = Y1.^0.5 + Y1;
  54.   if partId == '1'
  55.     out = sprintf('%0.5f ', warmUpExercise());
  56.   elseif partId == '2'
  57.     out = sprintf('%0.5f ', computeCost(X1, Y1, [0.5 -0.5]'));
  58.   elseif partId == '3'
  59.     out = sprintf('%0.5f ', gradientDescent(X1, Y1, [0.5 -0.5]', 0.01, 10));
  60.   elseif partId == '4'
  61.     out = sprintf('%0.5f ', featureNormalize(X2(:,2:4)));
  62.   elseif partId == '5'
  63.     out = sprintf('%0.5f ', computeCostMulti(X2, Y2, [0.1 0.2 0.3 0.4]'));
  64.   elseif partId == '6'
  65.     out = sprintf('%0.5f ', gradientDescentMulti(X2, Y2, [-0.1 -0.2 -0.3 -0.4]', 0.01, 10));
  66.   elseif partId == '7'
  67.     out = sprintf('%0.5f ', normalEqn(X2, Y2));
  68.   end 
  69. end
  70.  
  71. submit()
Success #stdin #stdout #stderr 0.11s 47960KB
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Standard input is empty
stdout
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Standard output is empty
stderr
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warning: addpath: ./lib: No such file or directory
warning: called from
    submit at line 2 column 3
    /home/a4ZoGh/prog.octave at line 71 column 1
error: 'submitWithConfiguration' undefined near line 45 column 3
error: called from
    submit at line 45 column 3
    /home/a4ZoGh/prog.octave at line 71 column 1
https://ideone.com/nwxPz2
language:
Octave (octave 4.4.1)
created:
1 year ago
visibility:
public

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