I am running Maple 11 with a mac-intel MacBook (13'' screen). I have been running a procedure for plotting a system of differentail equations that depend on an arbitrary parameter. The procedure works well for some "simple" parameters. For some more complicated parameters, the memory count (bottom right hand size) goes from near zero to over 500 M in six seconds ! A message appears: "kernel connection lost", and warns that such problems could be due to firewall settings, but all my firewall software is off. This procesure on these parameters works just fine with Maple 10 running in a PowerBook G4 (firewall connection also off).

Hi, I am fitting experimental data DATA(t) to a MODEL(t) with LSSolve. What would be the shortest way to plot the residuals(t)? Thanks, Evgeni

Why is it that there is an XML attribute that I can add to a text field to make the text contained within read-only, but there does not seem to be an option in any menu to let me select certain text and make it read-only? In older versions of Maple, I believe this option was available.

Type the following line into Maple as 2D-Input: foo := "1 + 1"; And then type this next line into Maple as Maple Input: bar := "1 + 1"; Yes, it's the same thing in two different variables, but try to parse them. parse(foo); will work, whereas parse(bar); will return an error. It seems that when the same string is entered in the "classic" Maple Input, something doesn't get tripped to convert the MathML markup into syntax that the parse() command will read.

Recently I have experienced two ways to loose a whole Maple document (if I had not had a slightly outdated backup copy): 1. Do NOT collaps and expand sections, because it may cause the document to explode in size, but much worse, make it virtually impossible to execute. It seems appaling to me that typographical considerations should destroy a perfectly sound document. 2. Do NOT write something like SubMatrix(Matrix,1..0,1..0), because the 0's makes the line unaccessible, but much worse, it makes it impossible to reload the whole document. I'm using Maple 9.5. Has these fatal errors been corrected in Maple 11?

I've downloaded and installed the new Vista ready version of Maple 11 (11.01) and few things are curious. It installs something called the "Maple 11 Reader Beta". Not sure what this is or what it is intended to do, but if it is a Maple runtime, then that is very interesting. We only have one Vista machine here in my office and the reader doesn't actually run on it so I can't really tell what it does. Which leads to a warning, the reader is failing because of a problem with my previous install of Maple 10. I had installed Maple 10 using the "run in XP compatibility mode" workaround. So before I went to install the new version I tried to uninstall Maple 10. But, I forgot to set the Maple 10 uninstaller to run in compatibility mode before I ran it, and it blew up. So the uninstall of Maple 10 failed part way through.

Please replace this text with the link to your file. The link can be found in the File Manager Hi, I'm having the nastiest time trying to get a plot from with DEplot3d. I suppose it's not really necessary to look at the whole maple file, but just this part: DEplot3d({de, w(t)= diff(z(t),t),D(x)(t)=diff(x(t),t), D(y)(t)=diff(y(t),t)},{x(t),y(t),z(t),w(t)}, t=0..2*Pi,[[w(0)=P,z(0)=0]], scene = [x(t),y(t),z(t)]) I'm trying to plot the solution to a second order diffeq, where x(t), and y(t) are known. Any help would be appreciated...I've been racking my brain for hours on this stuff

Maplesoft has just announced that a Windows Vista version of Maple 11 is now available. If you already own Maple 11, you may download the update for Vista at www.maplesoft.com/vista If you do not yet own Maple 11, you can either purchase a Boxed copy of download version of Maple 11 for Vista. The Vista version is available for download immediately, and boxed copies will contain the Windows Vista version of Maple at the end of the month.

I offer a copy of what I posted earlier on this thread so that it may be properly addressed (in the previous thread, discussion became mired in a debate over exact meanings of words in a help file): [This error] is yet another [error] in Maple's eternally bug-ridden Worksheet package. I do not know if this [error] exists in previous versions of Maple, but there is a problem reading in nested quotes. To see this [error], do the following: 1) Create a new worksheet. 2) On any line, type: "\"foo\""; This is the correct syntax for putting quotation marks [inside of] a string.

Never Say Never The constant crying The late nights It’s all her fault We have to fight So many problems Getting lonely now Never able to see you Have to find a way somehow You’ve never fallen so quickly Like me more than a friend I’m sick of this pain It won’t work in the end Maybe one day we’ll meet in heaven Then we can be together forever No interruptions, no problems Never say never

I found this today, probably a bug in MultiSeries :- series

It appears that the environment vairable "_ans" acts in precisely the same way as the Ditto operator, "%." When was this implemented, and was it ever documented?

I came across this interesting piece of reading, and thought I'd share it. It's an online version of the title, "The Mathematics of Gambling", by Dr. Edward Thorp. Although after browsing the web it was implied that Dr. Thorp was world renowned, I honestly knew nothing of him. You may also look him up on Wikipedia to find a link to this publication. Maybe some of you may find ways of applying Maple to some of the content in this book.

It was said: "embarassing bugs have this way of getting fixed faster..." The last time I reported this bug, it was a bug in Maple 10, and I reported it in person to one of the GUI workers. If I wanted to report this bug privately again, I would use support@mapleprimes.com; however, this forum seems just as effective a means of conveyance. Anyway, there seems to be a bug, when using Maple's Classic interface, in the mechanism that redraws the screen. This is how the bug can be consistently replicated: On a new worksheet, type in and execute a command which will at least fill the entire screen with output. For example: 10000!; fills my screen and does not trigger elision.

The title says it all - although in the documentation of the Maple Toolbox for Matlab you can read that it is fully compatible with Matlab's Symbolic Math Toolbox, this is actually not the case. So better do not expect that after you install the Maple Toolbox you'll be able to use your old m-files that worked OK with Symbolic Math Toolbox - they might work, if they rely only on the most basic features. However, as soon as you need anything a little bit more complicated, you'll experience a lot of difficulties. One example for all - with Symbolic Math Toolbox you can have: >> var_str = '[a; b]' % symbolic matrix represented as char