Answered
difference between bernoulli and binomial random variables
The Bernoulli distribution is a special case of the binomial distribution, with the number of trials n = 1. https://en.wikip...

mer än 10 år ago | 0

Answered
How to use KNN to classify data in MATLAB?
You need a validation set if you want to tune certain parameters in the classifier. For example if you were to use SVM with rbf ...

mer än 10 år ago | 2

Answered
Why does quadprog return different results on different machines?
Did you provide the starting point yourself? If you have multiple optimums then the result will be sensitive to the starting poi...

mer än 10 år ago | 0

Answered
Running >1 matlabpool jobs with the same local pool
Maximum of 1 MATLAB worker per CPU core is recommended. This does not include hyperthreaded virtual cores. As an examples, if yo...

mer än 10 år ago | 0

Answered
Wind speed forecasting using ARIMA model
Forecast will never be identical to the actual series. After all this is a model. To quote famous statistician George Box "ess...

mer än 10 år ago | 1

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Answered
How to do parameter estimation of a ODE based model through Global Optimization Toolbox?
More details on how you would go about fitting an ODE using optimization: http://www.mathworks.com/help/optim/ug/optimizing-a...

mer än 10 år ago | 0

Answered
how can use optimization without using optimization tool box from the matlab simulink
Some solvers are part of MATLAB and don't need the optimization toolbox: http://www.mathworks.com/help/matlab/optimization.ht...

mer än 10 år ago | 1

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Answered
IS THERE ANY TOOLBOX FOR K MEANS CLUSTERING IN MATLAB?
<http://www.mathworks.com/help/stats/kmeans.html KMEANS> is part of the Statistics Toolbox as dpb mentioned. If you are interes...

mer än 10 år ago | 2

Answered
how to write the code to smooth a function and then minimize it
GA is quite robust to discontinuities and 'non-smooth' objective functions. Did you give it a try without smoothing? When the...

mer än 10 år ago | 0

Answered
What Matlab can do without toolbox
No, you need the global optimization toolbox. What are you looking to do?

mer än 10 år ago | 0

Answered
Forecasting with an AR(8) model
Have you seen the doc already? If you haven't here's the link to ARIMA models: http://www.mathworks.com/help/econ/arima.estim...

mer än 10 år ago | 0

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Answered
Why is my resubLoss so high?
Maybe a single regression tree is not sufficient to model your data. You may want to try using an ensemble of bagged trees. ...

mer än 10 år ago | 0

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Answered
fitlm - change the output of this function
Tania, you get everything by default. If you want to be specific you may have to suppress the commandline output (using semicolo...

mer än 10 år ago | 0

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Answered
confidence intervals with lsqlin
If you have constraints (looks like you do since you use lsqlin) then you will have to explore bootstrapping methods to estimate...

mer än 10 år ago | 1

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Answered
Features selection based on mutual information
You can start by obtaining code for mutual information on file exchange: http://www.mathworks.com/matlabcentral/fileexchange/...

mer än 10 år ago | 0

Answered
Binornd draws '1' every time
Why don't you generate all of your random numbers before hand and just use index into the array at each loop iteration? It shoul...

mer än 10 år ago | 0

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Can I install the Matlab&Simulink student version (R2013a) in more than one of my PCs??
If you go to your mathworks account you may be able to activate it on another machine. I would recommend you give these guys a ...

mer än 10 år ago | 0

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Answered
Parallel computing on a cluster
My guess is that when you queue it, it launches MATLAB without Java. Java is required to use PCT. That also explains why it wo...

mer än 10 år ago | 0

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Answered
Interpolation of non-regular matrices
Scattered Interpolation is the way to go: http://www.mathworks.com/help/matlab/math/interpolating-scattered-data.html If t...

mer än 10 år ago | 0

Answered
Explain this one line of code
Aftab, Random number generators are really pseudorandom (deterministic). This means for a given "seed" you can consistently rege...

mer än 10 år ago | 0

Answered
pca function automatically mean-centers
You are right, by default PCA centers the data. You can however ask PCA not to do that: http://www.mathworks.com/help/stats/p...

mer än 10 år ago | 1

Answered
Train ten numbers and identify new inserted number
Your question is not clear. However, there are plenty of examples in the Neural Network Toolbox documentation: http://www.mat...

mer än 10 år ago | 2

Answered
ANOVA Cofficients: anovan stats.coeffs
More information about the n-way anova model: http://www.mathworks.com/help/stats/anova.html#bqttd3j-1

mer än 10 år ago | 0

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Answered
Parallel Computing Toolbox compatibility with Nvidia graphics cards
NVIDIA CUDA GPUs with compute capability version 1.3 or higher, including Tesla GPUs. These GPUs support double-precision comput...

mer än 10 år ago | 1

Answered
Crossval and regressiontree.fit - how does crossval works?
*What does KFold 10 means?* <https://en.wikipedia.org/wiki/Cross-validation_(statistics)> *matlab has done exactly?* MA...

mer än 10 år ago | 0

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Answered
Neural Networks toolbox - How to choose which 'divideFcn' to use for time series prediction?
You can use any approach that works best for you. For time-series data, the toolbox uses lagged observations to create new predi...

mer än 10 år ago | 2

Answered
Panel Data Regression
http://www.mathworks.com/videos/multilevel-mixed-effects-modeling-using-matlab-91755.html Various panel regression models are...

mer än 10 år ago | 0

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Answered
External regressors in the volatility process of a GARCH.
You can include exogenous inputs to the arima model (arimax) with a garch variance model: mdl = arima('AR',0.2,'D',1,'MA',0...

mer än 10 år ago | 1

Answered
MATLAB CODE FOR 1 HIDDEN LAYER
There are plenty of examples in the neural network toolbox documentation: http://www.mathworks.com/help/nnet/function-approxi...

mer än 10 år ago | 1

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Answered
Using multiple CPU each with multicore, MATLAB only uses one of the CPUS
In MATLAB 2014a, there are no limits to how many workers you can use on a single machine, however it is recommended that you use...

mer än 10 år ago | 1