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
-----------?---------??----------?-----??----

????.......??????1982??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\checkNumericalGradient.m

????.......??????1531??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\computeNumericalGradient.m

????.......??????2647??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\display_network.m

????.......???????622??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\initializeParameters.m

????.......??????3143??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\ArmijoBacktrack.m

????.......???????807??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\autoGrad.m

????.......???????901??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\autoHess.m

????.......???????307??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\autoHv.m

????.......???????870??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\autoTensor.m

????.......???????374??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\callOutput.m

????.......??????1763??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\conjGrad.m

????.......???????953??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\dampedUpdate.m

????.......??????2421??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\example_minFunc.m

????.......??????1556??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\example_minFunc_LR.m

????.......???????106??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\isLegal.m

????.......???????885??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgs.m

????.......??????2293??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.c

????.......??????7707??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.mexa64

????.......??????7733??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.mexglx

????.......??????9500??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.mexmac

????.......?????12660??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.mexmaci

????.......??????8800??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.mexmaci64

????.......??????7168??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.mexw32

????.......??????9728??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsC.mexw64

????.......???????594??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\lbfgsUpdate.m

????.......???????397??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\logistic\LogisticDiagPrecond.m

????.......???????208??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\logistic\LogisticHv.m

????.......???????625??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\logistic\LogisticLoss.m

????.......??????1111??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\logistic\mexutil.c

????.......???????309??2013-04-09?11:03??Exercise1?Sparse?Autoencoder\minFunc\logistic\mexutil.h

............此處省略30個文件信息