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How do I only optimise specific input parameters to a function?
That's a fairly common requirement in optimization. You can pass the extra arguments through an anonymous function as explained...

alrededor de 13 años hace | 0

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How to estimate VARMA (1,1)
Currently MA terms can't be estimated in a VARMAX model. You can however use the following functions VGXSIM, VGXPRED and VGXINF...

alrededor de 13 años hace | 0

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Use prediction for concrete compressive strength is the regression problem with neural network in matlab?
Start with the examples in the documentation: http://www.mathworks.com/help/nnet/fitting-functions-and-data.html The toolb...

alrededor de 13 años hace | 0

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how to find the covariance matix & eigen value
The 'coeff' contains the eigen vectors of the covariance matrix and 'latent' has the eigen values of the covariance matrix. you...

alrededor de 13 años hace | 0

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Where can I find the 'start' button and drop down menu in MATLAB R2012b
There has been a UI changed since R2012a You can find all the toolbox GUIs under the Apps tab on the top which used to be und...

alrededor de 13 años hace | 1

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Using Simpson's rule!
Maybe this is helpful to you: http://www.mathworks.com/matlabcentral/fileexchange/28726-simpsons-rule-integration

alrededor de 13 años hace | 0

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for loop with factorial as an increment
The moment factorial is evaluated, MATLAB just treats it like a number. Which means it would be your first option.

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How does econometrics toolbox handle missing data?
Note: NaNs indicate missing values. The toolbox removes these values from Y before estimation, reducing the effective sample s...

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Finding maximum y value corresponding to same x values.
Quickest way I can think of is using accumarray: % let xy be your array A = accumarray(xy(:,1), xy(:,2), [], @max)...

alrededor de 13 años hace | 0

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How to integrate a multidimensional normal density of 6 dimensions
If you are looking to fit a distribution to your data then you can directly use the FITDIST function by specifying the distribut...

alrededor de 13 años hace | 0

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Filter coefficient (N) in PID block?
Hi Robert, this link should give you a better idea of what N means: http://www.mathworks.com/help/simulink/slref/pidcontrolle...

alrededor de 13 años hace | 2

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c-means&k-means
k-means is part of the statistics toolbox, c-means i believe does not ship with the statistics toolbox, but as Walter mentioned ...

alrededor de 13 años hace | 0

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Is it possible to call a function written in C in a matlab program?
MEX files. You can modify your c code to add gateway functions and call it from MATLAB. Search the doc for mex or go through:...

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How do I use a vector to evaluate a polynomial function?
You haven't show us how you are calling this function, that would give this question more clarity. In any case if you are callin...

alrededor de 13 años hace | 0

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Volume integration under surface fitting
Bruno, quad2d performs a double integral, which must only return the surface integral over the defined surface for the limits yo...

alrededor de 13 años hace | 0

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Evaluate f(x) for multiple evenly spaced values
x = linspace(5,20,10); % Generate 10 evenly spaced points between 5 and 20 y = f(x); % Call your function, assuming you...

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RESTOREDEFAULTPATH doesn't restore default path (rather restores user's path)
Hi Leo, Could you please forward this concern to MathWorks Technical Support via email/phone/web or Request Support button in th...

alrededor de 13 años hace | 0

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How to solve 2 ODEs by using ODE 45
If you have a Higher Order ODE then you may have to break that down into several 1st order ODEs as shown here: http://www.mat...

alrededor de 13 años hace | 0

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using fminsearch to optimize SVM parameters
I haven't run your code with sample data, but it is true that FMINSEARCH will always look for local minima, and the only way to ...

alrededor de 13 años hace | 0

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How to run regression in GPU?
These are all the supported functions for GPU computing: http://www.mathworks.com/products/parallel-computing/builtin-paralle...

alrededor de 13 años hace | 0

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As could cross validation in a neural network NarX?
You may want to use DIVIDEBLOCK instead of the default dividerand. DIVIDEBLOCK will maintain correlation since it doesn't shuff...

alrededor de 13 años hace | 0

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Are MATLAB tech support fees charged per toolbox?
This will probably not answer your exact question but to my understanding, technical support is provided as long as you have SMS...

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I want a code for kernel PCA
MATLAB currently doesn't offer this as a part of the statistics toolbox. In the past I've used this and it worked really well f...

alrededor de 13 años hace | 0

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How to select specific row in a matrix
A = rand(100,4); ind_logical = logical(ones(100,1)); ind_logical([1:5, 21:25, 41:45, 61:65, 81:85])=false; ...

alrededor de 13 años hace | 1

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How can I detrmine the Coefficients in ARIMA model using econometrics toolbox ?
MMU, If you just want to estimate the coefficients knowing the lag orders thats fairly straight forward, however if you want aut...

alrededor de 13 años hace | 0

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How to provide Hessian
http://www.mathworks.com/help/optim/ug/fmincon.html#f186882 http://www.mathworks.com/help/optim/ug/constrained-nonlinear-opti...

alrededor de 13 años hace | 0

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matlabpool not working propertly
Do you have two sessions of MATLATB that open matlab pool local? This is pose a problem. If you do then create two configurat...

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constained least squares for arma
Hi Malaka, what toolboxes do you have? Econometric Tbx? System Id Tbx? System Id has some options that support this. If you d...

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Extracting a Column from a Matrix
Example: A = rand(200,12) % 200 rows and 12 columns n = 50; % upto 50 rows m = 5; % the column you want to extr...

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How can I get the several sums by three interval of a matrix in matlab?
You don't need a loop to do that: B=load('a.txt'); sum(B(B<5)) Example: B = [1 2 8 6 4 5 9] >> sum(B(B<...

alrededor de 13 años hace | 0