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Loren on the Art of MATLAB

June 25th, 2007

MATLAB User Group in Boston

I know there are a large number of experienced MATLAB users who read this blog. If you happen to live in the Boston area and are interested in joining some like-minded MATLAB users to meet with the MATLAB Language Development Team, please fill out this survey.

Thanks. I look forward to meeting several of you later this summer.


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Published with MATLAB® 7.4

4 Responses to “MATLAB User Group in Boston”

  1. Nurjaya replied on :

    I am studying for my MPhil at Abertay University in Dundee, I need to use ARMA and Box Jenkins models for my research. My University does not have the MATLAB System Identification Toolbox is there a free version or a tutorial or an M-File that I can get hold of urgently

  2. Loren replied on :

    One place you can look for materials is on the File Exchange on MATLAB Central :

    http://www.mathworks.com/matlabcentral/fileexchange

  3. Latha Dinesh replied on :

    Hello Loren:
    I have recently installed MATLAB7.4.0 (R2007a) in my laptop. However, at the startup the MATLAB screen opens up with the central part as blank white screen, The Menu is listed at the top, and at the bottom left hand corner, next to the start icon (it is greyed out, inactive), MATLAB says “Initializing…”. This screen remains so for ever and does not complete the initialization process…. what could be the problem and what is the solution to this problem… I need to be able to use MATLAB…
    Your help is much appreciated. Thank you and have a wonderful New Year ahead…

  4. Loren replied on :

    Latha-

    Please check out the support area of The MathWorks web site. It has lots of information on issues such as this one.

    –Loren

Leave a Reply


Loren Shure works on design of the MATLAB language at The MathWorks. She writes here about once a week on MATLAB programming and related topics.

  • J.B. Brown: Ah, and I am at fault for simply testing collinearity with the origin in the example above.
  • J.B. Brown: Indeed, > collinear( [0 3],[0 8],[0 -1e21+2e-15] ) ans = 1 > collinear( [0 3],[0 8],[0 -1e22+2e-15]...
  • OkinawaDolphin: Loren, thank you for telling me where to download timeit. Here are the two functions I just tested...
  • Loren: JB- It looks to me like Ilya’s solution and therefore yours are equivalent to the determinant. As Tim...
  • Loren: OkinawaDolphin, timeit can be downloaded from the File Exchange. Steve Eddins is the author. It does not ship...
  • OkinawaDolphin: It seems that neither R2007a nor R2007b have the function timeit, but I investigated computation time...
  • J.B. Brown: It would appear to me that Ilya Rozenfeld’s solution would be the cleanest. Just to help those who...
  • Loren: Markus- Congratulations on winning! And a nice illustration of how the size matters. Small enough, and the...
  • Markus: Hi Loren, which version is fastest also depends very much on the matrix dimensions. Look at my test function:...
  • Duncan: OkinawaDolphin, Regarding why your third example is slower than your second example, the result is in fact...

These postings are the author's and don't necessarily represent the opinions of The MathWorks.

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