With my calculator, I can store and then use intermediate results in the following way. Lets say the result of an equation is 1.234 and I will be using those results in other calculations. If I enter 1.234->a where the arrow represents the store key, the value of 1.234 in now stored as "a" and I can use "a" in further calculations, for example 2a followed by enter will return 2.468. How do I do the same type of thing with maple? (Thank you)

With my graphing calculator (TI-voyage200) I can expand and collect multiple angles per the familiar trig foumulas. For example with my calculator I can enter tExpand(sin(2*x)) and 2*sin(x)*cos(x) is returned. To do the reverse I simply enter tCollect(2*sin(x)*cos(x)) and sin(2*x) is returned by my calculator. With Maple, I find that I can use expand(sin(2*x)) to get 2*sin(x)*cos(x) but collect(2*sin(x)*cos(x)) doesn't perform the reverse the operaton. How can I do the reverse operation, for instance by entering what command along with 2*sin(x)*cos(x) and have sin(2*x) returned???

Hello everyone,I'd like to ask a question. Using the "LinearAlgebra" package, is there a (automatic) way to create a matrix from the section of rows and columns of another matrix already in use? That is, we have A:= a 5X4 matrix and we want to create, let's say a 3X2 matrix from the elements of A that belong in the section of rows 2,4 and 5 and columns 2 and 4 of A. Ok, we can write a small routine, but I would like to know if there's a fast and straight way to do that. Thanks in advance!

Maple Professionals: This is my first time programming. I wish to compute a marginal analysis algorithm, where I basically want to find the best bang per buck in each step. I increase the variable s[i] one after another by 1 and look at the change in the perforance realtive to the cost. Then I wish to increase that s[i] by 1 for which I could see the largest increase in performance relative to cost. In the end I wish to stop when the performance measure DFR is larger than 85%. However at the moment I especially face the difficulty to raise that s[i] by one, which reached the largest relative performance increase. At the moment I got this far and would be more than grateful for any help from your side:

Does anybody have any other ideas for getting Maple TA content (questions/banks/modules)? The application center doesn't currently meet our schools needs, and the contacts I've met at conferences are very hesitant to share their content. I can appreciate that because I've spent countless hours this school year writing over 300 questions, and I too would be hesitant to simply give them away. I feel I've become pretty good at writing all different types of questions. I am a former computer programmer and that background has definitely helped me write difficult algorithms and complex components of maple-graded questions. However, the question-writing task has become very tedious and time consuming for my school's needs. Our school is a tablet school which means we are doing away with the standard book/pencil/paper and are planning on using Maple TA as our primary homework & assessment tool in our math classrooms. Therefore, I have been writing anywhere from 20 to 50 questions per chapter, and our current Algebra I book has 12 chapters so you do the math.

Hello How can i have just 1 instance of Maple opened. Because when i open an worksheet (with the .mw extension), another copy of the Maple main program opens which is RAM consuming. THX

In the Maple 11 user manual, at the beginning, on page 1 is an integral of sin(1/x)dx from zero to pi. The solution is given as an expression including -Ci(1/Pi). No definition or explanation is given for Ci. So my obvious question is what in the world is this Ci? I suspect it is a constant but if that is true, why doesn't the program present it's value? Then on page 20 is another integral where the answer is given as 1/2 erf(1)sqrt(pi). Here again, there is no explanation of what in the world erf(1) means, so what in the world is erf(1)?

Maple Professionals: I wish to import a file with float type values which is 338*16 big. I saved it in Excel as a .csv type file. Using the Import Assistant works. However I don´t want to use the assisstant everya time I run my calculations. Thus I tried to use the commands readdata(), ImportMatrix(). Hoever non of those do like me :-(. I am really frustrated. I attempted the following commands, having already converted the csv into a txt: > lambda:=ImportMatrix("D:\01_1_CSML DATA\Prognose & Bestände\04_2.txt",datatype=anything); Error, (in ImportMatrix) file or directory does not exist

In reading through the Maple 11 "Getting Started Guide," on page 81 is paragraph 4.2, which is titled "Top Commands," the booklet lists and describes a number of commands such as plot, solve, fsolve, eval, etc., with out any comment. What is the significance of these commands among the many, and what is meant by "top" commands. Is there a hierarchy of commands? Or do they mean these are the most used or what? I don't understand what I am missing here or why this list of commands in included. Again, there is no discussion, just the table of commands.

Hello, I have a do-loop printing "n" occurences of a certain calculation+plot. Each one has a different length. It would be neater to skip to the top of new page each time. How do I give the instruction: "move to the top of the next blank page"? Thanks. Philippe Baille

Hello everybody. This is my first post. I'm currently using Maple 10 for a project in my school and i need to create types. I'm improving an "automatism library" called AutoSLI and for example i have to create a "transfert function" type. I want to use the type in functions like that : "zeros(Transfertfunction :: f) I use a "Record" structure inside a function. I make some tests to see if the parameters entered are correct then i create the object but it don't works when i use 'type/transfertFunction'. It creates the object when i take back the name of the type. Maybe the choice to put the creation in a function is not good.

I have a regression problem for which I need to neglect a certain corner of parameter space because the function I am trying to fit for becomes imaginary in this region. I have everything written so that I may use NonlinearFitMatrixForm, which works really well when I hold one of the problematic parameters fixed and set the limits of the other to within the real region of parameter space. However, to extend this problem to fit for all parameters I need to tell the procedure to only look in the section of parameter space where some complicated function of two of the parameters is positive. Thanks in advance for any help,

Hello, I'm trying to calculate the following definite integral: int(ln(1-8*Pi^2*ns*e^2*N/(m*(omega^2-e^2*B^2/m^2)*L*sin(t)*kappa*((kappa*tanh(2*Pi*N*d1/(L*sin(t)))+1)/(kappa+tanh(2*Pi*N*d1/(L*sin(t))))+(kappa*tanh(2*Pi*N*d2/(L*sin(t)))+1)/(kappa+tanh(2*Pi*N*d2/(L*sin(t))))))),t=0..Pi/2); Maple10 tries to solve it for ~20 minutes and then gives up, returning the same expression. Do I have to explicitly set singularities? Thanks in advance, Pedro

I would like to calculate int( 1/Pi*s^s*(1-s)^(1-s)*sin(Pi*s),s=0..1), but I don't know how do this by Maple. Thanks, Sandor

Hi, I am adminisering an installation of MapleTA 2.5. I would like to change the maxsize of upload course modules from 1MB to ex. 2MB.Please tell me where to do so.. Best regards Gert Espersen University of Aalborg Denmark