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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/...

12年以上前 | 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...

12年以上前 | 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 ...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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 ...

12年以上前 | 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/...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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...

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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...

12年以上前 | 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...

12年以上前 | 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 ...

12年以上前 | 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....

12年以上前 | 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....

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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: ...

12年以上前 | 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 ...

12年以上前 | 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 *...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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-...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 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 < ...

12年以上前 | 0

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