function?J?=?computeCost（X?y?theta）
%COMPUTECOST?Compute?cost?for?linear?regression
%???J?=?COMPUTECOST（X?y?theta）?computes?the?cost?of?using?theta?as?the
%???parameter?for?linear?regression?to?fit?the?data?points?in?X?and?y

%?Initialize?some?useful?values
m?=?length（y）;?%?number?of?training?examples

%?You?need?to?return?the?following?variables?correctly?
J?=?0;

%?======================?YOUR?CODE?HERE?======================
%?Instructions:?Compute?the?cost?of?a?particular?choice?of?theta
%???????????????You?should?set?J?to?the?cost.
Z?=?（X?*?theta?-?y）.^2;
J?=?sum（Z（:1））?/?（2?*?m）;
%?=========================================================================

end

?屬性????????????大小?????日期????時間???名稱
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?????文件????????636??2013-05-28?07:51??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\computeCost.asv

?????文件????????678??2013-05-28?09:25??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\computeCost.m

?????文件????????713??2013-05-28?10:17??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\computeCostMulti.m

?????文件???????3490??2013-05-28?07:31??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\ex1.asv

?????文件???????3438??2013-05-28?07:36??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\ex1.m

?????文件???????1359??2012-08-20?22:58??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\ex1data1.txt

?????文件????????657??2012-08-20?22:58??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\ex1data2.txt

?????文件???????4601??2013-05-29?22:22??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\ex1_multi.asv

?????文件???????4610??2013-05-29?22:23??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\ex1_multi.m

?????文件???????1631??2013-05-28?10:06??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\featureNormalize.asv

?????文件???????1453??2013-05-28?10:07??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\featureNormalize.m

?????文件????????928??2013-05-28?09:16??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\gradientDescent.asv

?????文件???????1130??2013-05-28?10:46??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\gradientDescent.m

?????文件????????994??2013-05-28?10:46??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\gradientDescentMulti.m

?????文件????????255??2013-05-28?10:53??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\ml_login_data.mat

?????文件????????674??2013-05-29?22:20??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\normalEqn.m

?????文件?????????48??2013-05-28?10:56??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\octave-core

?????文件???????1042??2013-05-28?07:35??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\plotData.m

?????文件??????17317??2013-04-25?15:38??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\submit.m

?????文件????????827??2012-08-20?22:58??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\submitWeb.m

?????文件????????520??2013-05-28?07:05??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1\warmUpExercise.m

?????文件?????493361??2012-08-20?22:58??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex1_003（Week2）_finished\ex1.pdf

?????文件?????188600??2013-05-13?14:28??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\ex2.pdf

?????文件???????1040??2013-05-30?09:28??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\mlclass-ex2\costFunction.m

?????文件???????1059??2013-05-30?10:03??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\mlclass-ex2\costFunctionReg.asv

?????文件???????1187??2013-05-30?10:16??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\mlclass-ex2\costFunctionReg.m

?????文件???????3722??2013-05-13?14:28??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\mlclass-ex2\ex2.m

?????文件???????3775??2013-05-13?14:28??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\mlclass-ex2\ex2data1.txt

?????文件???????2233??2013-05-13?14:28??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\mlclass-ex2\ex2data2.txt

?????文件???????2973??2013-05-30?10:18??Machine?Learning?exercises_finished?by?Andrew?Ng?Stanford（合集）\ex2-003（Week3）_finished\mlclass-ex2\ex2_reg.m

............此處省略200個文件信息