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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  • Good morning.

    Can anyone tell me why the legends are showing up today when they were not yesterday?

    ...and I intermittently get Plot Builder dialogs when I edit the commands associated with these two plots...

    ...Maple 12 seems unstable and unpredictable...is contant rebooting of Windows necessary when using the doc mode?

    Print preview doesn't respond to PageUp and PageDown keys.
    It would be nice to control the size of plots w/o using the embedded components.
    Plot should accept: nolegend or legend = [] (empty set). Many times I don't want a legend, and I shouldn't have to specify something like "legend = ["", "", "", ""]".
     

    ~Rich~

    To help me learn Maple 12, I decided to translate a small project that I did into Maple.

    1. Why is there an error in my text field at the beginning of the doc?

    2. When I apply a new style to a paragraph, all the text changes to plain text: all formatting is removed. Is there a way to simply change the style and not the formatting, such as Italic?

    3. I tried to follow the instructions in one of the training videos on how to hide math. As you can see, the assignment to d is still visible. Can simple assignments be hidden?

    Hi,

    whenever i want to plot a function without specifying an initial plotting range, for example by rightclicking on an expression and select plot, i get an y-range from 0 to 10^9 or worse. It happens  mostly when  the expression contains poles, for example 1/x^3. A better heuristic would be nice.

     

     

    Suppose you want to solve a large dense linear system AX=B over the rationals - what should you do? Well, one thing you should probably not do is directly apply Gaussian elimination. It does O(n^3) arithmetic operations, but the size of the numbers blow up, leading to an exponential bit complexity. Don't believe me? Try it:

    with(LinearAlgebra):
    for N from 5 to 9 do
      A := RandomMatrix(2^N, 2^N+1,generator=-10^5..10^5):
      TIMER := time(GaussianElimination(A...

    What is the right code to produce a sequence of iid NegativeBinomial random variables with Statistics package? It seems the natural choice only works correctly for size parameter equal to one when combined with Sample, though the theoretical moments are always correct. What's wrong with my code? Pls see http://www.mapleprimes.com/files/7371_NBD-problem.mw Thanks heaps.

     

    I just installed Maple 12 (Home User version).  The first thing I checked was whether Maplet Builder is still part of Maple.  It is.  Then I checked whether, having built a maplet with Maplet Builder, you can run it from within Maplet Builder.  I saw the same behavior as in Maple 11:  You are out of luck if your maplet contains a MathMLViewer window--you have to save the maplet and run it standalone to see it run.  In other words, no change in Maple 12.  This may discourage people from using Maplet Builder, but I have a feeling Maplesoft may not see that a

    Hi,

     

    I would like to suggest that Maplesoft provide a Finite Element Analysis package.

    A straightforward well-supported way of setting up these problems would definitely be of value to those who are not experts.

     

    Regards.

     

    Sloane's On-line Encyclopedia of Integer Sequences has the following entry:

    A110375  Numbers n such that Maple 9.5, Maple 10 and Maple 11 give the wrong answers for the number of partitions of n.   
     
     11269, 11566, 12376, 12430, 12700, 12754, 15013, 17589, 17797, 18181, 18421, 18453, 18549, 18597, 18885, 18949, 18997

    I wonder whether that can be extended to Maple 12 as well (I don't have it to check.)

    Alec

     

    We have a list of random binary numbers, say, A=[1,1,0,0,1,0]. Based upon A we want to write a matrix M=[a(i,j)] of order 5x5, where each a(i,j) is a list of length(A), comprising real numbers in closed interval [0,1]. All these reals in a(i,j) are less or equal to the corresponding entry in A.
     
    Furthermore, the matrix rows and columns have to satisfy following conditions:

    1. min(a(i,r),a(i,s))=[0,0,0,0,0,0] for every i,r,s such taht r<>s.
       min(a(r,j),a(s,j))=[0,0,0,0,0,0] for every i,r,s such taht r<>s.

    Visual Studio Express which is a small version of Visual Studio available for free download, has appeared to be very successful in 2 directions. First, it practically killed all other C and C++ compilers for Windows, as well as decreased number of people using cygwin and mingwin. Second, many people downloaded it and used it for some time at home, have made their companies to buy Professional or Team Suite versions for their work. It started with VS 2005 and continues now with VS 2008.

    Take a look at one of the most successful software companies, Microsoft.

    Their most successful operating system names were either year-related, 95, 98, and 2000, or had some names, XP and Vista. Their latest Office software were named as Office XP, Office 2003, and Office 2007.  Visual Studio .NET, 2005, and 2008.

    Continuing traditional Maple naming scheme, the next version would be Maple 13, with number 13 that many consider being unlucky.

    I suggest to apply the successful Microsoft naming strategy instead and name it Maple 2009.

    ...is there a way to change that?

    ~Rich~

    In the Table Properties dialog, I was at first puzzled at the % field. Mine says 00.0% = 675.8 Points. Wasn't until I thought to modify the % box that I found that the 00.0 is really 100.0.

    ~Rich~

    Hello!

    My kittens finally managed to destroy my macbook pro, it was on its way out, but clearly the kittens had a grudge.  It was a first generation but still was my finest machine to date. 

    Now being back in school and .. well just dont have the money flow for now, I am wondering what people think about the performance of Maple on a Macbook, will it be sufficient for a student (mathematics)? 

    I know most people here are on PC's but Im sticking with OS x.

    heres the specs:

    http://www.apple.com/macbook/specs.html

     

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