function?[]?=?checkNumericalGradient（）
%?This?code?can?be?used?to?check?your?numerical?gradient?implementation?
%?in?computeNumericalGradient.m
%?It?analytically?evaluates?the?gradient?of?a?very?simple?function?called
%?simpleQuadraticFunction?（see?below）?and?compares?the?result?with?your?numerical
%?solution.?Your?numerical?gradient?implementation?is?incorrect?if
%?your?numerical?solution?deviates?too?much?from?the?analytical?solution.
??
%?Evaluate?the?function?and?gradient?at?x?=?[4;?10];?（Here?x?is?a?2d?vector.）
x?=?[4;?10];
[value?grad]?=?simpleQuadraticFunction（x）;

%?Use?your?code?to?numerically?compute?the?gradient?of?simpleQuadraticFunction?at?x.
%?（The?notation?“@simpleQuadraticFunction“?denotes?a?pointer?to?a?function.）
numgrad?=?computeNumericalGradient（@simpleQuadraticFuncti

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

?????文件???????1982??2011-01-05?17:27??starter\checkNumericalGradient.m

?????文件???????1191??2016-05-09?10:47??starter\computeNumericalGradient.m

?????文件???????2647??2011-01-05?01:48??starter\display_network.m

?????文件???20971720??2011-01-03?21:39??starter\IMAGES.mat

?????文件????????622??2011-01-05?00:13??starter\initializeParameters.m

?????文件???????3251??2011-01-03?21:39??starter\minFunc\ArmijoBacktrack.m

?????文件????????807??2011-01-03?21:39??starter\minFunc\autoGrad.m

?????文件????????901??2011-01-03?21:39??starter\minFunc\autoHess.m

?????文件????????317??2011-01-03?21:39??starter\minFunc\autoHv.m

?????文件????????870??2011-01-03?21:39??starter\minFunc\autoTensor.m

?????文件????????385??2011-01-03?21:39??starter\minFunc\callOutput.m

?????文件???????1845??2011-01-03?21:39??starter\minFunc\conjGrad.m

?????文件????????995??2011-01-03?21:39??starter\minFunc\dampedUpdate.m

?????文件???????2421??2011-01-03?21:39??starter\minFunc\example_minFunc.m

?????文件???????1604??2011-01-03?21:39??starter\minFunc\example_minFunc_LR.m

?????文件????????107??2011-01-03?21:39??starter\minFunc\isLegal.m

?????文件????????924??2011-01-03?21:39??starter\minFunc\lbfgs.m

?????文件???????2408??2011-01-03?21:39??starter\minFunc\lbfgsC.c

?????文件???????7707??2011-01-03?21:39??starter\minFunc\lbfgsC.mexa64

?????文件???????7733??2011-01-03?21:39??starter\minFunc\lbfgsC.mexglx

?????文件???????9500??2011-01-03?21:39??starter\minFunc\lbfgsC.mexmac

?????文件??????12660??2011-01-03?21:39??starter\minFunc\lbfgsC.mexmaci

?????文件???????8800??2011-01-03?21:39??starter\minFunc\lbfgsC.mexmaci64

?????文件???????7168??2011-01-03?21:39??starter\minFunc\lbfgsC.mexw32

?????文件???????9728??2011-01-03?21:39??starter\minFunc\lbfgsC.mexw64

?????文件????????614??2011-01-03?21:39??starter\minFunc\lbfgsUpdate.m

?????文件????????417??2011-01-03?21:39??starter\minFunc\logistic\LogisticDiagPrecond.m

?????文件????????216??2011-01-03?21:39??starter\minFunc\logistic\LogisticHv.m

?????文件????????659??2011-01-03?21:39??starter\minFunc\logistic\LogisticLoss.m

?????文件???????1154??2011-01-03?21:39??starter\minFunc\logistic\mexutil.c

............此處省略31個文件信息