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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  • So I've been all over these forums everyday since I got a new Vista laptop hoping to find a solution to the Maple/Vista issues. First it looked as if Maple simply would not work, then I found some metheds that dealt with changing certain appearance features before the install to get Maple to install, but the major complaint in all of this was the inability to open and save files. I finally got everything to work and want share the process with others. I posted this as a reply already, but felt that it warrented it's own thread since I'm probably not the only one looking for a concrete answer. The purpose here is to document a method that worked for me with an appropriate title so it can easily be found. Hopefully I'm not out of line in doing so, and hopefully this isn't a repost proving that I am a horrible searcher.:)
    Since I like working with wood - I just couldn't resist . . . a Maple Coffee Table
    this is the eqaution given X=a+bI and my proffessor want this to be inside the double loop. variable a is from 1 to 2 with a interval of .02. the variable b is from -1 to 1 with a interval of .02. this is what it should look like for a from 0 by 0.02 while a
    Hello everybody, I am trying to model a simple logistical problem in Maple using a double loop and 2 indices to indicate what parameters the solutions belong to. Maple however doesn't give me any output or error in the following setting: p[1] := 1; p[2] := 4; for n to 2 do for s to 10 do EBO[s, p[n]] := sum((x-s)*p[n]^x*evalf(exp(-p[n]))/factorial(x), x = s+1 .. infinity) end do end do THX for all your help in advance, Fred
    Dear all, I'm a beginner user of Mapple. I'm seeking an analytic solution of: integral{ 1/(ax^3 + bx + c) dx} Would you like to help me... thanks. regards, agus
    Hello all, I am solving a non-linear ODE with "dsolve({eqn,bc},phi(eta),series", that is, with a series solution. I solve for three different orders: 1,2 and 6. I then plot them and see that it is approaching what it should look like. However, on line 3.5 and 3.6 I evaluate the solved functions (the 2nd order ODE was made into two first-order ODEs) and find that line 3.5 gives the right(?) value of the original variable but the second line (3.6), which evaluates the derivative, keeps changing its value everytime I execute it. I am totally lost as to why it does this. To my knowledge I haven't used any special names and no other worksheets are open.
    I'm having a problem with Maple properly resolving full paths to metric files for GRTensorII. I get the following error: >qload(kerr); Error, (in grload) unable to read `/usr/local/grii/metrics/:kerr.mpl` Note the spurious colon in the path. Much thanks in advance, aphidskillroses

    Maple 11 has been out for a while now so hopefully people have it. I thought I would write a short post detailing some of what was done in the area of Groebner bases. If you run the examples in Maple 10 and Maple 11, I would appreciate it if you could post the times and the specifications of your computer.

    The Centre for Mathematical Sciences houses the Cambridge University Faculty of Mathematics, the Isaac Newton Insititute (where the proof of Fermat's Last Theorem was announced), and the Gordon Moore Library (Moore was the inventor of "Moore's Law"). The centre is situated on Wilberforce Road and was opened in 2003. It won four major architectural awards.
    The Mathematical Bridge is a wooden bridge that spans the River Cam that joins two parts of Queens' College. You can see it from the Silver Street bridge over the Cam, or by visiting Queens' College, or by taking a punt trip along the Cam at the 'backs' of the colleges. If you ask a tourist guide they will usually tell you the story of how this bridge was designed and constructed by Sir Isaac Newton using mathematical principles, and was built without the need for bolts to hold it together. The college later wanted to find out how the bridge was built and dismantled it, but were unable to reassemble it in the same way and had to put bolts into it to hold it together.
    Having looked recently at a suite of engineering software in use, I wondered whether engineers would need maths for much longer. Of course they’ll always need sufficient for business purposes, but my guess is maths will become unnecessary for engineering in much the same way as it’s unnecessary for weather forecasting. There would probably be a residual role for maths in engineering research, but not in the mainstream, and that would have huge implications for schools and universities. How do those engaged in teaching maths to budding engineers see the future?
    Hello, I'm a recent arrival at Maple Primes (as in earlier today), and I seem to recall a much older version of either Maple, Matlab, or Mathematica having a 3D plot example of a "Schauberger" tube. I've looked through my old files and can find nothing. These are similar to a tornado or water whirlpool profile, so I'm supposing that cylindrical coordinates are a suggested goemetry. A "decaying radius" spiral looped inside the "Gabriel's Horn" elsewhere on Maple Primes has a similar 3D profile, but the pipes that Herr Schauberger patented in Austria long ago also decreased in pipe diameter as the spiral radius decreased inward.
    It had been quite a while since I had read Joel Spolsky's great blog on software, so I headed on over and read his rather thoughtful post on customer service. I learned something from reading it, so I thought I would share it with others.
    Hi, is there any other possibility to export Maple 3D graphic into VRML scene with axes and labels? When I use the plot3d(3*sin(x)*cos(y), x=-Pi..Pi, y=-Pi..Pi, style=patchnogrid,axes =framed, tickmarks=[3,3,3],grid=[50,50]); o:=%: vrml(o,`krychle.wrl`,tickback_color=brown,tickfore_color=yellow); i receive the VRML file with axes tickmarks as cubes. For an example of 3D graphics in VRML format with axes and labels see Holodraw. With best regards Roman
    / ranting on I use Win XP home on an Acer, which has an Athlon (do not care for specifica). It installs with a blank space in the directory name as default (which may cause troubles if using Open Maple with MS compilers). Installing Watcom not even gives a warning to prior installed ones (so I hope it does not matter ... say having some modifications in it [well, a backup is never a bad idea before any install ...]). It does not adapt settings from M10 (I think 9.5 -> 10 did so), i.e. global settings and style sheet had to be done again. And: it does not associate M11 to *.mws (classical sheets are my default).
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