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    發布日期: 2023-07-27
  • 語言: 其他
  • 標簽: Machine??Lear??

資源簡介

吳恩達機器學習作業(完整版!!親自做過!)

資源截圖

代碼片段和文件信息

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.
J?=?sum((X?*?theta?-?y).^2)?/?(2*m);?????%?X(792)??theta(21)





%?=========================================================================

end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????695??2017-10-10?08:08??mlclass-ex1-jin10.23\computeCost.m

?????文件????????711??2017-10-10?08:08??mlclass-ex1-jin10.23\computeCostMulti.m

?????文件???????3438??2017-10-10?08:08??mlclass-ex1-jin10.23\ex1.m

?????文件???????1359??2017-10-10?08:08??mlclass-ex1-jin10.23\ex1data1.txt

?????文件????????657??2017-10-10?08:08??mlclass-ex1-jin10.23\ex1data2.txt

?????文件???????4485??2018-05-06?11:19??mlclass-ex1-jin10.23\ex1_multi.m

?????文件???????1474??2018-05-06?10:27??mlclass-ex1-jin10.23\featureNormalize.m

?????文件???????1172??2017-10-10?08:08??mlclass-ex1-jin10.23\gradientDescent.m

?????文件????????979??2017-10-10?08:08??mlclass-ex1-jin10.23\gradientDescentMulti.m

?????文件????????222??2018-05-01?11:32??mlclass-ex1-jin10.23\ml_login_data.mat

?????文件????????677??2017-10-10?08:08??mlclass-ex1-jin10.23\normalEqn.m

?????文件??????????0??2017-10-10?08:08??mlclass-ex1-jin10.23\OGLdpf.log

?????文件???????1051??2017-10-10?08:08??mlclass-ex1-jin10.23\plotData.m

?????文件??????15590??2017-10-10?08:08??mlclass-ex1-jin10.23\submit.m

?????文件??????10724??2017-10-10?08:08??mlclass-ex1-jin10.23\submitWeb.m

?????文件????????520??2017-10-10?08:08??mlclass-ex1-jin10.23\warmUpExercise.m

?????文件???????1045??2017-10-10?08:08??mlclass-ex2-jin\costFunction.m

?????文件???????1163??2018-05-25?17:07??mlclass-ex2-jin\costFunctionReg.m

?????文件???????3745??2018-05-15?15:56??mlclass-ex2-jin\ex2.m

?????文件?????192780??2017-10-10?08:08??mlclass-ex2-jin\ex2.pdf

?????文件???????3775??2017-10-10?08:08??mlclass-ex2-jin\ex2data1.txt

?????文件???????2233??2017-10-10?08:08??mlclass-ex2-jin\ex2data2.txt

?????文件???????2975??2018-05-26?22:06??mlclass-ex2-jin\ex2_reg.m

?????文件????????508??2018-05-25?18:38??mlclass-ex2-jin\mapFeature.m

?????文件???????1007??2017-10-10?08:08??mlclass-ex2-jin\plotData.m

?????文件???????1451??2018-05-26?22:15??mlclass-ex2-jin\plotDecisionBoundary.m

?????文件????????842??2017-10-10?08:08??mlclass-ex2-jin\predict.m

?????文件????????451??2017-10-10?08:08??mlclass-ex2-jin\sigmoid.m

?????文件??????17086??2017-10-10?08:08??mlclass-ex2-jin\submit.m

?????文件????????807??2017-10-10?08:08??mlclass-ex2-jin\submitWeb.m

............此處省略125個文件信息

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