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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  • What is the point of the everthing but forum? It seems like the topics that might go in that forum could be just as easily (and perhaps more appropreately) posted as blog entries. Do people really want to discuss their hobbies in the Maple Primes forum? I think it is better not to have off topic forums like this because it might confuse less savy (or ESL) users.
    I've released an addon package for the PolynomialIdeals package in Maple 10. It collects the routines which never made it into Maple 10 as top level commands, and a few new routines are thrown in there for good measure. The demo worksheet lists all of the commands. You can view it online and download everything at the Maple Application Center (link).
    This is more a question than a suggestion... under the "new content" tab, what does the "red star" beside some of the topics listed mean? At first I thought it indicates new topics added since I last logged in. But it doesn't seem to be consistent since I remember reading some of topics with "red star" before... Also, is there a way to list only those topics/threads with new materials (replies)? Currently, the new content tab seems to be listing ALL topics/materials in reverse posting order. But some threads/topics added later might not have new replies while some older topics would have new responses... this makes it hard to quickly locate what is new... (I know RSS would probably work in this case... but I kind of like to have a page of listing and quickly browse through it...)
    I hadn't carefully read the puzzle conditions of the Kopf und Kopf puzzle mentioned by Thomas Richard, I didn't realize that the digits had to be unique. He asked for a hint on how to handle that with my recursive method. The idea is simple, add a parameter (to the recursive procedure) that supplies the available digits. I've attached the code that does this. This would have been a response, rather than a separate blog entry, however, there does not appear to be a way to add attachments to a response.
    I would like the Maple kernel to free sufficiently large (128 MB?) blocks of memory on garbage collect, not just on kernel restart. Sometimes I need to work with large objects temporarily, and then the overall performance of my machine suffers afterwards because of Maple's increased memory usage. I continue working afterwards, so I don't want to restart the kernel to free memory and eliminate swapping.
    I'm currently working with a lot of large matrices in Maple (5000x5000), and I would really like a way to resize the Matrix Browser window, possibly filling the entire screen. I understand that this is probably one of those really irritating things that is difficult to add after the fact, but it would be extremely useful to me.
    Thomas Richard posted a brute force solution to the variant of the IBM "Ponder This" challenge. However, it isn't truly a brute force technique; though the coding is elaborate, the selection is straightforward. Finding the maximum value for that variant is quite easy, it can be done in your head. Here's a straightforward, non-recursive code that returns the maximum number meeting the conditions.
    It would be convenient if the subscripted version of type/integer could handle infinity and -infinity. Then, to specify an integer greater than, say, 1, we could do type(i, integer[2..infinity]). Currently I handle this as type(i, And(integer,Range(1,infinity))) which is not as nice, particularly because it isn't clear that 1 is excluded. The drawback of doing this is that it implies that infinity is allowed. However, because infinity is not an integer, it seems reasonable that it would return fals

    Here's a quick and dirty solution to the following task:
    Arrange digits 1,...,9 so that the first two form a number divisible by 2, the first three form a number divisible by 3, etc..

    See Joe Riel's blog for more information.

    Welcome. If you have questions on using Maple, try posting on our two forums: New User's "How Do I? (Newbie)" forum, or Experienced User's "How Do I" forum.
    For posts where there's an attachment, the CC information touchtes the attachment info ... Firefox 1.0.1 T4.
    The IBM Research August 2005 Ponder This challenge is out. The attached 11 line Maple procedure solves it in just under 2.5 seconds. Don't look at my solution if you want to do this yourself.
    Good idea to provide a moderated place ... @admin: The look is something i have to get used to it, find the following screen shots for Netscape 4.7, IE or Mozilla (i do use larger fonts on my PC), it looks a little bit strange, look here: www.axelvogt.de/maplekram/forum_screenshots.zip
    Thanks to all those who are getting this MaplePrimes ball rolling. Please note that we have a long weekend in Ontario (home of Maplesoft) so some of the responses to your comments from our team may be a bit delayed. Happy "Civic Holiday"! (that's what we poetic Ontarians call this day :-) )
    just noticed that the default width for the text box when composing a message is too wide by 3-4 characters for a 1024x768 resolution. T4.
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