If one has ever used an XML editor, one knows the frustration of you having to do the bulk of the work locating mismatched or unclosed <> tags. Let us view tags as delimiters on sets and subsets.
Consider the case where the XML editor has checked all beginning and ending tags and found an equal number of
beginning and endint tags of a given name: a, b, etc.
Nevertheless, even though we have an equal number of
and tags and
and tags
is wrong syntactically because the "set"
"intersects"
with the "set"
non-trivially, yet neither set is a proper subset of the other. Certainly, if a computer algebra system such as Maple can determine set overlaps like this, then
Stephanie Rozek chats with Fr. Mike May, from St. Louis University, during the Joint Mathematics Meetings in San Diego. He discusses his work with Maple, and especially how he uses it to teach courses in cryptography. A recording of his lecture “Using Maple worksheets to enable explorations of cryptography with minimal background” follows.
I've made up a worksheet of the Top Ten Maple Errors, containing some of the common mistakes I often see newcomers to Maple commit (especially in the setting of my Introduction to Mathematical Computing class). I hope you will find it useful in trying to avoid those mistakes. Of course this is only a personal list, and not exhaustive. Please feel free to argue the merits of other items that should be included in the list. Here is the link: Download 4541_topten.mw
For the past decade Doug Meade, at the University of South Carolina, has created and maintained a two-page document with essential Maple commands. The first version was created for Maple V, Release 4, in January 1998. n update has been created for each version of Maple (except Maple 10) as it was released. The document has become pretty stable - hence the omission for Maple 10. Here are links to the complete set of documents he has created
Comments, corrections, and suggestions for improvement are welcomed. Please contact the author by e-mail.
How can one add something that will show up as < in the Subject line of a posting here?
The goal is to have it show up properly both at the top of the post itself as well as in the "Recent comments" right-sidebar.
Regardless of whether the "Input format" is "Plain Text" or one of the HTML variants, a literal, typed < shows up as blank in the final displayed Subject field. Ie, it gets treated as HTML.
But with Input format as HTML, a literal, typed < displays as a nicely marked up < symbol in the Subject field but shows as raw source in the "Recent comments" field.
Is there any way to enter < symbols in the Subject line so that they appear properly in both locations?
In Math Mode in a Maple worksheet,
how do I type something such as
L := [1, 2, "abc", "a", 7.0, infinity];
for x in L do
if type(x, 'string') then
print(x);
break
end if
end do
on multiple lines?
Also, please show me in the online Help menu
the explanation for how one makes such line breaks
without setting off execution.
I got Maple last August. I have searched the online Help
menu for any mention of a line break but have not found it.
Thank you.
I want to get the entire solution set for cos(x) = -1/2. Maple gives me
{x = 2/3*Pi-4/3*Pi*_B15~+2*Pi*_Z15~};
Can someone interpret this for me, character by character?
Allan
I really like the new Maple 11 plotting features. But I have a problem with them, they use the comma (,) as the decimal separator and the period (.) as thousands separator. Normal (2d) output correctly use the period as decimal separator, though. Maple 10 plots worked correctly also.
The machine OS is Windows XP Pro, and the system language is Spanish. I have checked that I have specified the desired separators in the language control Pannel. Could this problem be related to java language specification ? Does anyone know how could I change this behaviour ?
We are pleased to announce the winners of the Great Application Contest. First prize is awarded to Dr. Jason Schattman, for his entry Can a Square Roll?, an exploration of the "Renaissance Man of calculus problems", the square wheel problem. The runner-up is Prof. Mario Lemelin, for his Pré-test en Mathématique, a Maple-based questionnaire that lets beginning differential calculus students test their secondary school mathematics comprehension. These and many other Maple applications can of course be viewed on the Maple Application Center. Congratulations to both!
I have a question to find the maximum and minimum element(s) of the matrix and be able to print out their location.(a ij). Where i and j are the rows and colums. All this has to be done in a procedure.
I can write code to print the matrix fine.
A:=array(1..4,1..4,[10,12,10,2],[12,25,27,3],[8,23,17.4],[6,15,6,2]]);
I can clearly seen where the max and min elements are and their locations but how do i weite code to be able to do this.
Please any hjelp will be greatly appreciated.
How do I locate a particular theorem in Linear Algebra that I need for my research?
I have been to conferences which seriously discussed a unified and universal bank of all known math theorems. Theoretically, all proven math theorems could be connected logically: A implies B. But, in reality, most proven math theorems are scattered throughout the literature.
I have no access to a university with math journals.
I might be able to do inter-library loan at my local community county college here in the United States. But, that may take a long time. I have no paid job. My earned income is only from social security disability.
I noticed that when using Maple my %CPU seems to be much higher than other apps. This is not just during computation. I may just be entering text, but once I have executed any commands in the worksheet or document the percent seems to stay between 50 and 70. I can stop entering anything for several minutes and it just stays at this level. As soon as I click outside the worksheet on the desktop or on another app it immediately drops down to practically nothing. If I then click back on the worksheet it stays down until I start to enter something and then it jumps back up.
Is this typical? It gets things heated up pretty quickly and as far as I can tell it is my only app that does this.
I find the rules for the evaluation of local variables in procedures confusing and dangerous. Here is the example on page 204 of the introductory programming guide for Maple 11.
f:=proc()
local x,y,z;
x:=y^2; y:=z; z:=3;
x;
# eval(x); # this gives f() = 9
end proc;
f();
f() gives the answer y^2. To get the answer 9 you have to use eval(x).
The guide says this is done for efficiency. I would strongly disagree and say that the default behavior should be considered a bug not a feature because the returned result is not obvious.
Is there any way to force Maple to fully evaluate local variables by default without having to put in eval statements all the time?
I want to set up a symbolic integration procedure over an region. I will have expressions such as
z = c1 + c2*x + c3*y + c4*x*y .. but the number of terms in z can vary and should be determined automatically by the procedure. c1, c2 .. are arbitrary factors. For example, a possible z could be
z = a + b/c*x + d/e*x*y^3 + f*y^5.
The integral of z should be returned from the procedure as
zint = c1*INT(0,0) + c2*INT(1,0) + c3*INT(0,1) + c4*INT(1,1) ..
where INT(i,j) represents the integral over the region of x^i*y^j. These integrals will be calculated numerically by another procedure.
Does anyone know how to do this?
I am new to Maple and am trying to create some plots.
I can create plots using the Plot builder with ease but would like to have plots generated within a loop. I am having success creating 3d plots within the loop but only want 2d plots. My expression is in 2-variables and I am rotating the graph as a change angles. Any help would be appreciated.
Kay
