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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  • I'm preparing for the GRE and would like to know if anyone thinks Maple can help ? Has anyone here ever used Maple to prepare for the quantitative section of the GRE ? Is there an application related to the GRE in the maple application center on the maplesoft site ? respectfully,
    If anyone is familiar with the partially solved encrypted message in a piece of art on the grounds of the C.I.A, does anyone think Maple would be useful for this problem ? respectfully,

    I was mulling over an example that behaved differently when cut and pasted in a Document (2dmath input) and a Worksheet (1dmath maple input). The example was this,

    M := Matrix([a]);
    N := Matrix([b]);
    (M.N)[1,1];
    (M.N+N)[1, 1];

    The last line of that, in Maple 11.00, produces the product of the list [1,1] and the addition M.N+N, instead of indexing into that sum's Matrix result as it does with 1dmath input.

    Is that a bug? Clearly there are...

    In this episode, Tom Lee has an engaging conversation with Prof. Jack Weiner from the University of Guelph, about the impact of new math teaching tools and the appropriate use of emerging technology in the classroom. Jack is an award winning teacher and the author of "The Math Survival Kit”. Tom also sits down with Jan Bakus, a senior applications engineer at Maplesoft, to talk about BlockImporter and why someone in the simulation and modeling world should get excited about this new product. Click here to get the latest episode.

    Maple uses the GnuMP (a.k.a. GMP, or gmp) library in computing with large integers, see ?gmp .

    Visiting the GMP web page one can find this interesting benchmark table. It indicates a higher known benchmark for Opteron/Athlon64 than for Core2. (I don't know that GMP makes special use of multiple cores at this time.)

    Hey all, I've been using Maple for a while, and for the most part, my scripts/procs have been pretty small, but they're steadily getting bigger. When they're too big to enter directly into a worksheet I use Vi which has worked great, but it'd still be nice if there was an editor designed to work a bit more closely with Maple. Anyway, this summer I'll have some time off, and I was thinking about writing a language-aware editor for Maple. Is this something that you, as Maple users, would find useful? If there's enough interest, I'll probably start working on it next week. Also, if anyone's interested in contributing, I'll certainly be writing it in either GPL Qt (C++) or Java (MFC runetime characteristics probably aren't that important for an editor :) ).
    Hello, I'm a PhD candidate student in Chemical Engineering.

    My Lab is about to purchase a new computer. Our budget is about 3000-3500 Euros (~ 4000-4800 USD).

    Our main research interests are Process Control and Optimization in Chemical Engineering. We rely heavily on Maple for symbolic calculations and Matlab for simulations and numerical calculations.

    We already have a few P4's but they have proven inadequate for a number of tasks so we were thinking about purchasing a more powerful system. A cluster system has been one of the suggestions but we are not sure how to employ it, given that most of our code is designed to be linear (we are not programmers by profession, only by -informal- training). A friend (a software engineer) suggested a system with 4 dual core processors and lots of fast RAM as his best bet.
    I recently got emailed a .sxc file. I did not know what that was, so off too Google I go, and find the site fileinfo.net which lists lots of extensions. There I am enlightened: OpenOffice spreadsheet format.

    But then I was curious. So I look up .ms, .mws, .mw and .nb. Results:
    .mwTextMacWrite Text Document
    .mwsAudioMWave DSP Synth Instrument Extract
    .nbDataMathematica Notebook
    No entry for .ms. Why is this?
    Regarding to Maple 10 Concurrent Network license. Actually I have changed the static IP address for the licence holder of the Maple 10 network license. Thus I can't open maple worksheet anymore. Therefore how could I solve this problem?
    I got spammed by Wolfram, touting their new Mathematica 6. Being the curious person that I am, I went over to take a look. First: their marketing material is slick. Very slick. It makes you think that they've invented some nifty new stuff -- until you look just a bit more and realize that some of it has been in Maple for ages. And some of these ideas were invented by Maplesoft, and yet Wolfram markets them better. Very devious - and I am sure will be very successful with a lot of customers! Second: it's good. It looks like it warrants the major upgrade hoopla. The new features are very tightly integrated. I mean, in the case of Mathematica, the language and the user interface are now one-and-the-same. You can programmatically access the whole interface (live!), and you can use interface components in any program. This is going to give Maple 11 some serious competition.
    Just a thought for my day...

    In a system which, by default, evaluates the arguments of function calls it is little strange to make a habit of using an unevaluated function call as a data structure.

    Passing around such an object may result in unwanted evaluation of the stored data.
    Printing a worksheet made using the worksheet interface with input display set at Maple input I get really bad looking results when done from my Windows computers (Windows 2000 Professional, Windows XP Professional, and Windows XP Home). No problem from a Unix system I tried. The printing of Maple input lines look the worst, but also headings 1-3 look bad. The problem disappears if the bold font used for Maple input and headings are replaced by the corresponding non-bold. I would like to know if this is a general problem, or if it is somehow related to the country specific settings. In other words, does this happen on Windows computers in the US or Canada?
    Can someone please explaint to me why this isn't working and some possible corrections. Any help would be greatly appreciated! I'm trying to solve 2 equation and 2 unknowns. Below is the code that I have... View 4496_instri.mw on MapleNet or Download 4496_instri.mw
    View file details
    The (new) volatility index from the CBOE is computed from option prices without using a specific model. Understanding that as a special case one can derive a formula to get higher moments from quoted prices in a completely model free way and thus gets reasonable approximate values for mean, variance, skewness and kurtosis without constructing an implicit density. Besides interesting in its own these figures can serve for estimating pricing models by providing initial guessing for parameters. The Maple sheet shows, how to find the formula based on a result of Carr and Madan. Then the essential steps and procedures are given which allow to compile
    I apologize if this has been addressed elsewhere on the site, but I was wondering if there have been any updates made for Maple 11 Windows Vista support. I am having an odd problem where, whenever I go to save or open a document in Classic Worksheet Mode the dialog box opens, and as soon as I move the mouse, Maple 11 closes completely. Any information or assistance would be greatly appreciated. Thanks a lot. Regards, Keenan
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