Question

Difference between fsurf and ezsurf

I have a problem with |*fsurf*| command: When I use fsurf(@(x,y) ackleyfcn([x,y]),[-32 32 -32 32]) I got this warning...

5 years ago | 2 answers | 1

Question

How can I vectorize this function with nested FOR loop?

The function is: x = -10:10; y = -5:5; for j = 1:21 for i = 1:11 f(i) = - 20 * exp( - 0.2 * sqr...

5 years ago | 2 answers | 0

Question

How can I vectorize a function?

The function I want to vectorize is *Cross-in-Tray Function* (2-D): f(X,Y) = -0.0001*(abs(sin(X)*sin(Y)*exp(abs(100-sqrt(X^...

5 years ago | 2 answers | 0

Question

How to use Neural Network Error as a Feedback Input

Using neural network error as a feedback input helps reduce the overall network error and increase forecasting accuracy ( _Wahhe...

5 years ago | 2 answers | 0

Question

Optimization of hidden layer dimension in neural network (number of neurons)

*I am using GA optimization to train my neural network (to try to find the best weights set):* % Neural Network trained by ...

5 years ago | 1 answer | 0

Answered

How to calculate Akaike Information Criterion and BIC from a Neural Network?

After training the network and simulating the outputs: [net,tr] = train(net,inputs,targets); output = sim(net,inputs...

How to calculate Akaike Information Criterion and BIC from a Neural Network?

After training the network and simulating the outputs: [net,tr] = train(net,inputs,targets); output = sim(net,inputs...

5 years ago | 2

| accepted

Question

How to plot a contour USA map from a Shapefile

When I read my shapefile I get this attributes: S = shaperead('nsrdb_9814_dni_ovit.shp', 'UseGeoCoords', true) S =...

5 years ago | 0 answers | 1

Question

Return to Price of future values

Before training my Neural Network I converted prices to returns (for stationarity). After training and forecasting N days ahead ...

5 years ago | 0 answers | 0

Answered

Neural network AIC and BIC calculation (number of parameters?)

After training the network and simulating the outputs: [net,tr] = train(net,inputs,targets); output = sim(net,inputs); ...

Neural network AIC and BIC calculation (number of parameters?)

After training the network and simulating the outputs: [net,tr] = train(net,inputs,targets); output = sim(net,inputs); ...

5 years ago | 7

Question

What is the difference between 'divideblock' and 'divideint'?

In Neural Network Toolbox, what is the difference between 'divideblock' and 'divideint'? net.divideFcn = 'divideblock'; ...

9 years ago | 1 answer | 0