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Butterworth filter in simulink
It is indeed in the Signal Processing Toolbox as you can see here: http://www.mathworks.com/help/signal/ref/butter.html Yo...

plus de 13 ans il y a | 2

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Undefined function 'lratiotest' for input arguments of type 'double'
This function is part of the econometrics toolbox, make sure you have the license and have the toolbox installed >> ver ...

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xPC target: How to configure host and target computers?
Ethernet should work fine. Nothing needs to be installed in the target, but there are few settings you will need to make sure ar...

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Are there any Matlab functions to use for optimization using particle swarm optimization technique?
Have you tried searching file exchange? Here's a submission : http://www.mathworks.com/matlabcentral/fileexchange/7506-partic...

plus de 13 ans il y a | 0

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How to change starting direction in Matlab 2012a?
Specify what you would like to do in the startup.m file: http://www.mathworks.com/help/matlab/matlab_env/startup-options.html...

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Slice plot causes MATLAB crash
This may be an OpenGL issue. To confirm, try the following: Restart MATLAB and before you run anything run: >> opengl so...

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Any HDL Coder Limitation?
http://www.mathworks.com/help/releases/R2012b/hdlcoder/matlab-algorithm-design.html Not everything in MATLAB is supported. S...

plus de 13 ans il y a | 0

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How to separate binary values ?
No direct way, but some jugglery: A = (reshape(binary',1,7*4))-'0'

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How to plot a probability density function on a histogram?
Do you have the statistics toolbox? If you do it is straight forward as this: Plot your regular histogram and then: h...

plus de 13 ans il y a | 1

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Interpolation with some fix interval
You can do the following using interp1: a = randn(17,1);% a is some vector with length of 17 l = length(a); yi = inte...

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How do I do parameters Estimation in SimBiology using Optimization toolbox?
Optimization is tricky business. You will have to see why you solver stopped and then relax the tolerances till you find a bette...

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How can I use simulink to solve the algebraic Riccati equation?
You will always solve the Riccati equation offline to compute your LQR gain matrix. You will then use your gain matrix in the si...

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can u help me in developing a program using uncertain k-means
http://www.mathworks.com/help/stats/kmeans.html kmeans in the statistics toolbox. Could you give more details or reference...

plus de 13 ans il y a | 0

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How to reduce order of Matrix exponential?
If you want to reduce the order of your system you can use balred: http://www.mathworks.com/help/control/ref/balred.html

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What is the default installation path for Matlab on architecture X?
Are you looking for: >> matlabroot http://www.mathworks.com/help/matlab/ref/matlabroot.html

plus de 13 ans il y a | 2

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How to plot axis and legend?
http://www.mathworks.com/help/matlab/ref/axes_props.html?searchHighlight=xticklabel Look for xticklabel, yticklabel in the ab...

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Discrete Dynamical System Problem, How to display a value of x that satisfies conditions when inputs to the equation are vectors?
To me it seems like it is bounded for c between (-2,0.2683) Here is the change I made to only print c for bounded solutions: ...

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Solve a second order differential equation
I really recommend going through our documentation and these things become intuitive. Most standard setup's usually have example...

plus de 13 ans il y a | 2

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How can I pass additional parameters to a function I defined?
You can use anonymous functions to achieve just that: http://www.mathworks.com/help/optim/ug/passing-extra-parameters.html#br...

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R2012b - Right Click Toolstrip items -> add to shortcuts - Not on all items
Robert, I am afraid I don't have an answer to 'why'. But I do know if you suggest this to support@mathworks.com they'd b...

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Problem with nonlinear curve fitting - lsqcurvefit
Hi Alex, this link may help you get started: http://www.mathworks.com/help/matlab/math/example-curve-fitting-via-optimization...

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save v7 vs v7.3 - compression is in which one?
matal, v7.3 uses hdf5 format, which offers several advantages over older format. It allows for files larger than 2 gb as well as...

plus de 13 ans il y a | 1

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accuracy of svm model on test data?
Maybe what you are looking for is right here: http://www.mathworks.com/help/bioinfo/ug/support-vector-machines-svm.html#bs3tb...

plus de 13 ans il y a | 0

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linear regession with 3 Independent variables
Issac, the simplest way is to use \ as Wayne mentioned: >> [ones(length(x),1) x]\y This will give you the three coeff...

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Principle Component Analysis - Problem in Example
Hi Rory, What version of MATLAB are you using? PCA (with supported for wighted and missing values) was introduced only in R201...

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Generating A Multivariate Nonlinear Regression Equation
Ross, that is still multiple linear regression, although your model may be quadratic (square terms). Also in your individual ...

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Memory limitations for categorical variables in generalized linear model?
Categorical predictor variable are converted to dummy variables internally. Size depends on number of categorical variables and...

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sum of coefficients less than 1
Do you have the optimization toolbox? LSQNONNEG cannot handle constraints. Also, please format your code when you post. It ...

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Faster way to calculate pairwise distance?
pdist http://www.mathworks.com/help/stats/pdist.html But part of the statistics toolbox. Alternatively you could gene...

plus de 13 ans il y a | 0

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help with nonlinear regression
Your data does not represent a function at all (there are multiple values of y for an x) Are you interested in distribution f...

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