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How to show exact answers in MATLAB
Use |format| to reset your display format or choose a different display format: >> format http://www.mathworks.com/help/...

más de 12 años hace | 0

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How to watch recorded webinars?
Can you share the specific webinar name and link you are talking about? I can look into it to make sure you have access what w...

más de 12 años hace | 0

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how to train svm classifier using kernel function
Start with the documentation here: http://www.mathworks.com/help/stats/support-vector-machines-svm.html#bsr5b6n Try those ...

más de 12 años hace | 0

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Store logistic regression models in an array?
mdl = GeneralizedLinearModel.stepwise(....) Model{1} = mdl; Model{2} = mdl; Storing the models in a cell array wo...

más de 12 años hace | 0

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Trouble Opening .dat Files in R2013b
It appears that it is a MAT file that has a dat file extension. Could you try the following on the command line: >> load...

más de 12 años hace | 0

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system of linear equations but with condtions that all variables should be > 0
If you'd like to add positive constraints then you can use a solver in the Optimization Toolbox called LSQNONNEG. If you'd like ...

más de 12 años hace | 1

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How to compute an indefinite integral?
>> int(1000,t,0,t) The limits go in as the 3rd and the 4th arguments seperately: http://www.mathworks.com/help/symbolic/...

más de 12 años hace | 0

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how to calcuate mean with NaN
You can use the NANMEAN function part of the Statistics Tbx: http://www.mathworks.com/help/finance/nanmean.html http://www...

más de 12 años hace | 0

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how can Write matlab code for CDF and PDF
Can you provide more information? What random numbers are you working with? Take a look at all the supported distributions. A...

más de 12 años hace | 0

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How to find all neighbours of an element in N-dimensional matrix
If you have the Statistics Toolbox installed, there are couple of nearest neighbor searching tools that you might find very usef...

más de 12 años hace | 2

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how to insert noise in a sine function.
I'd use |randn| because white noise or gaussian noise is more natural then uniform random noise. noisy_y = y + noiseAmpli...

más de 12 años hace | 0

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normal distribution from data
Since this is normal distribution, the mean and std of the data are the maximum likelihood estimates for the normal distribution...

más de 12 años hace | 0

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Classification and Combination Problem
Start with KMEANS to perform the clustering. You can specify the number of classes or clusters but you can't enforce 'at least 1...

más de 12 años hace | 0

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Using fmincon for a very costly objective function
Hi Danny, since you are optimizing within the objective function, this maybe a be non-smooth problem. Which means FMINCON ma...

más de 12 años hace | 1

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Image Processing with Backpropagation algorithm
Hi Elvin, what you are proposing is a supervised learning approach. backpropogation (Neural Networks) to train your data is one ...

más de 12 años hace | 1

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find k nearest neighbours for each element in a matrix
*Eg : I want to find 5 nearest neighbours for A(1,2).* That does not make much sense. You are finding neighbors of A(i,:), i....

más de 12 años hace | 0

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Magnitude of a vector
This works perfectly fine on MATLAB R2013a: >> syms x y z r = [x y z]; norm(r) http://www.mathworks.com/help/symbolic/norm....

más de 12 años hace | 11

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MATLAB help (finding all the possible values for x)?
syms x x = solve(1.8*cos(1.8*x)+1.2*cos(1.2*x)) This gave me the analytical solution. A more feasible way would be to...

más de 12 años hace | 1

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Come si calcola il VaR ad un mese???
I don't speak Italian, but here is what I understand from google translate. Once you have your returns series convert them to...

más de 12 años hace | 0

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using rand to generate numbers
Try executing it and seeing it for yourself. rand just generats one random number and adds it to each element of the vector: ...

más de 12 años hace | 0

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Difficulty Solving for parameters of a non-linear curve fit to data
FMINSEARCH like most optimization algorithms are sensitive to initial guess or starting point. Did you try to provide different ...

más de 12 años hace | 0

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Huge problem when I import data from Yahoo
Martin, the problem is not with Yahoo but with the name provided to a struct dynamic field name. Price.(ticker{i}) for *...

más de 12 años hace | 0

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Can Mathlab solve this
You can solve a system of nonlinear equations using FSOLVE: http://www.mathworks.com/help/optim/ug/fsolve.html This will y...

más de 12 años hace | 0

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Too many input arguments-ga mixed integer optimiazation
Joe, GA is part of the Global Optimization Toolbox. However it is possible that you have another version of GA that is not shipp...

más de 12 años hace | 0

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Java issue starting Matlab 2012b on OS X Mountain Lion (10.8.4)
Please verify that you have the right java update: http://www.mathworks.com/matlabcentral/answers/79489-java-1-6-0_51-breaks-...

más de 12 años hace | 0

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More efficient way to export output to Excel
You can use the com interface directly. XLSWRITE does this each time when you call it. Here is an example: http://www.math...

más de 12 años hace | 1

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Matrix left division with constraints?
Your best bet is LSQLIN if you have constraints for a linear system. http://www.mathworks.com/help/optim/ug/lsqlin.html S...

más de 12 años hace | 0

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Is the optimtool created by MATLAB's GUI? If so, where is its .fig file? I will join optimtool with another program and I would need its .fig file. Can anyone help me?
OPTIMTOOL is a built in app and it is not meant to be modified or deployed. Could you elablorate on what is your end goal and...

más de 12 años hace | 0

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mex cpp file in ubuntu
As the warning says you are using an unsupported version of the GCC compiler. Use the support compiler: http://gcc.gnu.org...

más de 12 años hace | 0

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Using assumptions while curve fitting
Curve fitting tools will fit the equation you are trying to model. This equation may very well only be called for values of x < ...

más de 12 años hace | 0

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