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I have encountered Error in scatterplot
You inputs should in the form of a matrix and not two vectors. Take a look at the input arguments in the documentation page: ...

más de 13 años hace | 0

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different results with griddata in Matlab2011b vs Matlab2008a
Take a look at the release notes. There have been few changes in: R2009b > Mathematics > Computational Geometry Functions Bei...

más de 13 años hace | 0

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How can I tell MATLAB to discard two roots and only proceed with one value?
Does reassigning help? T = T2(3); or removing the first two? T2(1:2) = []; I am not familiar with brayton cycle, but...

más de 13 años hace | 0

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GPU computing without NVIDIA graphic card
I am sorry to say Daniel, that GPU computing in MATLAB uses CUDA, which is specific to NVIDIA graphics cards. CUDA was dev...

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How to plot portion of a vector in matlab?
The following piece of code must make things clearer: I make few modifications, Notice I plot with respect to 'x'. If you don't...

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How to plot a number of curves on the same plot ?
I prefer using LINE instead of PLOT since plot tends to reset some properties which maybe unexpected and undesirable. >>...

más de 13 años hace | 1

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Matlab won't install on Mountain Lion
Hi Bernoulli, MathWorks offers free installation support, you should just call them: http://www.mathworks.com/support/contact_us...

más de 13 años hace | 0

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how to buy the student version for 99
Did you ever try google? This was the first link: http://www.mathworks.com/academia/student_version/

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Least Squares Method- Νon linear to Linear
You are talking about two different things here. f=aX+b is linear regression which can be solved by either \ or the regr...

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how to choose LQR
LQR always returns a stabilizing feedback gain. Are there 1 or 2 eigen values that are always show up positive? You most...

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How can i improve the performance of a closed loop NARX neural network?
honestly, i wish there is one quick answer to this question but reality is there isn't. make sure your training set includes al...

más de 13 años hace | 0

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Determine average of an image in .fig format
Here is an example you can hopefully modify it for your use: % Create a figure with a rectangle: rectangle('Position',[0...

más de 13 años hace | 0

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Best way to do VAR forecast using econometrics toolbox?
Is this something you were looking for: http://www.mathworks.com/help/econ/vgxpred.html Or if you had a specific question ...

más de 13 años hace | 0

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How to input a 3D matrix to SVMtrain? (2class problem)
Just reshape your data such that svm understands what your observations are and what your targets are: Tr = reshape(Trainin...

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both real and integer variables ga optimization
Andrea, integers are real, however I think you are referring to solving a mixed integer problem. Here is an example of how it ca...

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detrend using cubic splines
Venkatessh, detrending is just a process of removing long term deterministic patterns or in short trends. For example your data ...

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inv(matrix) takes shorter time than \ operator
While inv indeed does involve more operations than \ because it involves inverse as well as multiplication, \ is just one operat...

más de 13 años hace | 5

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solar array webinar record
You can contact the presenter directly for such queries. you can try the presenter's first.last name at mathworks or contact tec...

más de 13 años hace | 0

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LEAST SQUARES Estimation code
To show you an example I am going to generate some data from the following ARMA model. I am generating this using the ARIMA func...

más de 13 años hace | 1

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how to solve equation trimf(x, [0 4 10]) = 0.5;
>> fminsearch(@(x)(-0.5+trimf(x,[0 4 10])).^2,0) ans = 2 Confirm: >> trimf(2,[0...

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Using robust LAR with 'nlinfit' or similar
Have you tried generating MATLAB code for you CFTOOL fit? In CFTOOL, after you perform your fit, click on File -> Generate Co...

más de 13 años hace | 0

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How to find a system response of armax model for other data set? What e(t) in the system model?
e(t) is noise disturbance or also called innovations terms. Usually assumed to be white noise. Once you have the estimated model...

más de 13 años hace | 0

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Range limits with plot background color
clf plot(rand(10,1),'-o') yUp = 0.7; x=get(gca,'XLim'); y=get(gca,'YLim'); patch('XData',[x fliplr(x)],'YData',...

más de 13 años hace | 4

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eigs and its behaviour
The high condition number of your matrix seems to be making convergence to the default tol=eps difficult. However, if you decrea...

más de 13 años hace | 2

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How to use monte carlo method in matlab?
Here you go, hope you get full score on your assignment :) f = @(x)sqrt(4-x.^2) N = 1e7; x = 2*rand(N,1); i...

más de 13 años hace | 0

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Warning when runing fsolve
The Warning is acceptable. If you are running the code I gave you, you already know it is not a SQUARE system. As with all it...

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Trained "Neural Network" to be used outside MATLAB
Pre-trained network can be compiled into executables or shared libraries using MATLAB Compiler: http://www.mathworks.com/help...

más de 13 años hace | 0

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what is simulink model?
Here is an overview of Simulink: http://www.mathworks.com/products/simulink/ Click on Videos and Example for 2 min videos ...

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Neural Network forecasting Issue
You are using the wrong type of network for your problem. Essentially you are trying to fit a function which is completely un...

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csaps function in Curve Fitting Toolbox not being found
Please try the following: >> which -all csaps what is the output? This should tell you where it is, if its on the path. ...

más de 13 años hace | 0