Answered
Generation of random numbers
That sounds about right. Take a look at the first example in the documentation: http://www.mathworks.com/help/matlab/ref/rand...

mer än 10 år ago | 0

Answered
I am going to classify multispectral remote sensing image using SVM .
The following section in the documentation shows how you can use cross validation to tune your svm parameters using optimization...

mer än 10 år ago | 0

| accepted

Answered
Can anyone please tell me how to calculate time complexity of PCA algorithm with MATLAB code?
Take a look at the time complexity of SVD: http://en.wikipedia.org/wiki/Singular_value_decomposition#Calculating_the_SVD

mer än 10 år ago | 0

Answered
How to set custom parameteres of svmtrain ?
Of course, use the name value pairs for 'BoxConstraints' and 'rbf_sigma' if you are using rbf kernel. http://www.mathworks.co...

mer än 10 år ago | 0

Answered
multiple linear regression, n-by-n vector of observed responses
Floriano, it appears that you are trying to perform multivariate linear regression. There are several ways to specify this probl...

mer än 10 år ago | 0

Answered
Feature extraction of handwritten characters
What features are you looking for? There are many features you can extract from an image. Here is an example of hand writing ...

mer än 10 år ago | 0

Answered
Different Values if K-means Clustring on same data.
Kmeans can get stuck in local minima. By which I mean it is sensitive to initial centroid positions. You can specify a higher nu...

mer än 10 år ago | 0

| accepted

Answered
degrees of freedom for random factors in anovan
Laurie, |anovan| uses method of moments unlike in mixed-effects models which may use ML or REML. If you are interested in the l...

mer än 10 år ago | 2

| accepted

Answered
Multiple linear regression to fit data to a third degree polynomial equation with interaction terms
There are numerous ways to do this. The most easiest of them all is to use the Curve Fitting Tool with the correct options. Try ...

mer än 10 år ago | 0

Answered
Images classification using SVM classifier
This example uses SVM for image classification. Maybe this is a start? http://www.mathworks.com/help/vision/examples/digit-cl...

mer än 10 år ago | 3

| accepted

Answered
What the routine to create a PCA prediction model? How to do create a PCA prediction model?
PCA is available in the Statistics Toolbox: http://www.mathworks.com/help/stats/principal-component-analysis-pca-and-canonica...

mer än 10 år ago | 0

Answered
How do you fit a distribution to data?
If you have the Statistics Toolbox use |normfit| http://www.mathworks.com/help/stats/normfit.html Likewise, |lognfit| for ...

mer än 10 år ago | 0

Answered
Fit model to data
Here are some examples: http://www.mathworks.com/help/econ/arma-models.html Click on the links below to see more examples ...

mer än 10 år ago | 0

Answered
how get log normal(ln) of value?
List of all log functions: http://www.mathworks.com/help/matlab/exponents-and-logarithms.html log Natural logarithm ...

mer än 10 år ago | 0

| accepted

Answered
SOM 2.0 Toolbox
Try reinstalling the toolbox: http://www.cis.hut.fi/somtoolbox/ and run restoredefaultpath rehash toolboxcache ...

mer än 10 år ago | 0

Answered
How to manually set K-means centroids when classifying an image
if your data matrix X is n-by-p, and you want to cluster the data into 3 clusters, then the location of each centroid is 1-by-p,...

mer än 10 år ago | 1

| accepted

Answered
How to make face images clustering using kmeans clustering?
See reply here: http://www.mathworks.com/matlabcentral/answers/123249-how-to-make-face-images-clustering-using-kmeans-clustering...

mer än 10 år ago | 0

Answered
How to make face images clustering using kmeans clustering?
You can start with the examples on the documentation page for KMEANS: http://www.mathworks.com/help/stats/kmeans.html You'...

mer än 10 år ago | 1

| accepted

Answered
how to use an image as svm classifier input ?
Load the image and reshape it to be a vector. http://www.mathworks.com/machine-learning/examples.html?file=/products/demos/m...

mer än 10 år ago | 0

| accepted

Answered
AR(p) of order 6 AutoRegression
mdl = arima('Constant',0.05,'AR',{0.1,0.2,0.3,0.4,-0.5,-0.6}) Assuming those are your PY values. Please check the docume...

mer än 10 år ago | 1

| accepted

Answered
Is it possible to obtain the script file for the fitlm function?
It is not entirely clear what you are requesting but if you have fit a linear model using fitlm as follows: mdl = fitlm(......

mer än 10 år ago | 0

Answered
Normalize data before measuring the distance
You can use |pdist2| to compute pairwise distances: http://www.mathworks.com/help/stats/pdist2.html If you want to standar...

mer än 10 år ago | 0

Answered
AR(p) parameters estimation
If you have access to the Econometric Toolbox, you can estimate the model as shown in the first example: http://www.mathworks...

nästan 11 år ago | 1

| accepted

Answered
How to compile a toolbox of Matlab to a DLL file?
You will need the MATLAB Compiler toolbox: http://www.mathworks.com/help/compiler/shared-libraries.html http://www.mathwor...

nästan 11 år ago | 0

Answered
Constraining parameters in nonlinear fit
Regarding the Error: Provide the method with quotations options.Method = 'NonlinearLeastSquares'; Here is an example ...

nästan 11 år ago | 0

Answered
How to use Maximum likelihood method for a weibull distribution having three parameters?
Weibull Distribution: http://www.mathworks.com/help/stats/weibull-distribution-1.html Fit the distribution using comma...

nästan 11 år ago | 0

Answered
How can I estimate the maximum likelihood estimates for 3 parameter Weibull distribution
Weibull Distribution: http://www.mathworks.com/help/stats/weibull-distribution-1.html Fit the distribution using commandli...

nästan 11 år ago | 0

| accepted

Answered
How to generate matrix using MATLAB ?
There isn't a right answer. Here is one: X = eye(4); X(:,repmat(1:4,4,1)) Change 4 to something else if you want to ...

nästan 11 år ago | 0

| accepted

Answered
svmclassify is extremely slow
Hi Jakob, Do you have access to MATLAB prerelease? http://www.mathworks.com/matlabcentral/answers/101155 If you do, fee...

nästan 11 år ago | 0

Answered
fmincon multiple optimal solution
If you use the same starting point you must get the same results. If you use the Trust-Region-Reflective algorithm for the solv...

nästan 11 år ago | 1