MaplePrimes Posts

MaplePrimes Posts are for sharing your experiences, techniques and opinions about Maple, MapleSim and related products, as well as general interests in math and computing.

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  • Please reconsider order of messages in posts acorrding to option reply. I don't understand why my answer

    http://www.mapleprimes.com/questions/127969-Encapsulated-Transformation-Of-Expression

    ( Moments ago by to Axel Vogt) appears at the end of list instead to be in that branch where it should be.

    I also know that branch menu is completly for other purposes, not for this.

    Over the weekend I was attempting to estimate the tension change in a bicycle spoke due to an applied load.  After various simplifications and approximations, the problem was reduced to the following.

    Given a constraint, F(x,y) = 0, and functions G(x,y) and H(x,y), find dG/dH at a particular point, here (0,0). 

    The constraint, F, was sufficiently complicated that solving for either variable was not feasible, so implicit differentiation seemed the best...

     

    I have data organized in a Matrix from which I want to select a sample based on a certain (simple) criterion, e.g. no cell in the first column to be negative.

    I was quickly able to find a way to do it, inspired by a method Preben Alsholm used in a recent mapleprimes post.

    But, I wondered, is that the most natural approach? So I quickly found another approach and compared them.

    Any other suggestions welcome. Particularly methods that could...

    We are looking for someone that can develop some maple scripts for us. Must have some chemical engineering knowledge.

    contact us: smne33@hotmail.com

     

    regards.

    The following is the matter of so-called central limit theorems. We have the sum of random variables S:= ksi[1] + ksi[2] + .. ksi[n]. We know only that the number n is large, the variables are independent or weakly dependent, and each ksi[j] is small with respect to S in a certain sense.

    By the  central limit theorems it implies that S is close to the normal distribution.

    Here is the procedure which illustrates the Lindeberg-Levi theorem ( see

    For pass argument I use the ssystem command.

    So I'm able to pass argument by launching my script like this.

    login@hostname:  echo  ARG | ./example.mpl

    example.mpl look like this:

    -------------example.mpl----------------

    #!/usr/bin/maple

    with(StringTools):

    ResultArray:=ssystem("read MapleArg; echo ${MapleArg}"):

    #

    Maple 15, Windows7x64, Standard v. Classic

    I have noticed that, on my system, the smoothness of some INLINE plots is better in Classic than in Standard. Is this some regression or some installation-specific quirck I wonder?

    In Tools->Options, I have plot anti-aliasing enabled (whatever that is).

    This looks alright in Classic

    plots:-implicitplot(
      [ x^2 + y^2 = 1, x^2 + y^2 = 2 ]
      , x = -2 .. 2
      , y = -2 .. 2

    The folks at Grand Valley State University have posted a nice set of Maple tutorial videos on YouTube.  The videos have been designed for students taking 200-level math courses, but they are certainly suitable for anyone who is either new to Maple, or looking for a refresher.

    Enjoy!

    http://www.youtube.com/playlist?list=PL81C1945FA962279F

    Bryon

    @ThU

    Download Quaternion_Fractals_.mw

    Not in the same league as the "Mandelbulb" pictures you may be referrng to, but a couple of years ago I messed around with plotting 3D Quaternions in Maple. Pictures in the attached worksheet

    Samir

    I've submitted an application to the Application Center: Great Expectations.  This is an interactive Maple document, suitable for instructional use in an undergraduate course in Probability.  The mathematical content is related to the Laws of Large Numbers and Central
    Limit Theorem.  It requires no knowledge of Maple to use.

    I'm happy to announce that, having retired from University of British Columbia, I've joined Maplesoft as a Content Developer.  Some of my work will be appearing in the Application Center from time to time, and I'll announce them here.  If you have any suggestions for topics you'd like to see in the Application Center, I'd be interested in seeing them.

    The iPad is a very exciting device and it has been gaining broad adoption from our academic and professional customers alike. It was a logical step for us to bring Maple technology to this platform.
     
    The Maple Player for iPad is now available in the Apple App Store. It comes bundled with ready-made interactive Maple documents, covering topics like integration, differentiation, computing...

    Syrup-0.1.8.zip is a rewrite of the Syrup package, an electric circuit solver for Maple.  It reads either a SPICE-like syntax, or a compact ladder notation.This update runs on Maple 15. I've added a few features, such as the ability to export to Modelica, which can be used with the ?MapleSim product.  Also added are two new controls,

    No, I'm willing to bet it's about as random as flipping a coin.  You might say, huh?!  I think my theory is interesting but this isn't really a maple question although perhaps we can make it into one, it would be that much more interesting.  I haven't done so yet, but anyone is welcome to.

    With practice, I can flip a coin and get 30 heads in a row no problems.  Now say for a roulette wheel operator who uses it constantly, you don't think he's gained...

    I have uploaded to the Maplesoft Application Center a worksheet exploring the orbital dynamics of the recently discovered Kepler 16 system, where a planet orbits a double star. 

    Your comments and suggestions will be appreciated.

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