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Hi :)

I have a Macbook Air running on OS X Mavericks. I am using Maple16.

I created a procedure, which construct two keys. Each of those keys consists of a list containing two elements. That is two primes. So at the end of my procedure I included the following code in order to write my data to a file:

> pkey := fopen(keyFile, WRITE, TEXT);
> writedata(pkey, publicKey);
> fclose(pkey);

The problem is that I can't find the created file "keyFile".

So I tried breaking the problem down. I created a List and wanted to write that list in a textfile in a specific folder:

> L := [1, 2, 3];
> fd := fopen("Users\\****\\Desktop\\fdtest.txt", WRITE, TEXT);
> fprintf(fd, "This is a test");
> fclose(fd);

But this did not work either. It seems like the file fdtest.txt never gets created. This happens in general when I use fopen().

Thank you in advance for your help





sometimes I observe extreme delays when simply entering a variable name like fooBar; right after starting a Maple session. This happens when the current directory contains a file with that name, because Maple automatically loads this file.

For example, if I create an empty file fooBar.m and start a Maple session,

> fooBar;
Error, `./fooBar.m` is an incorrect or outdated .m file

raises an error. More often however, I have some huge Maple files in the working directory and whenever I use (by chance) a variable name in the Maple session that matches a filename, Maple tries to load the corresponding file.

Is there a documentation of this behaviour and a possibility to stop this automatic loading of files?



Is it possible to set maple to fill in a header or footer for every new document I make?

Now i have to do it fot each new file by hand: 

View => Header footer ..=> 

 - select custom  - goto tab cusom headers put in the left textfield "&[File] pag. &[Page]/&[Pages]"


I'm new here and I couldn't find similar problem in this forum.

I want to use variable (red marked) with unit definite integrals but it doesn't work. I put the file with units and file without units (to check correct solution) in this post.

What to do?




Hi there,

i want to generate some plots in files in this example:

this code doesn't work. but without restart; it works fine. i passed 2 days to figure out that "restart;" was the problem.

my questions are :

1. why i have to eliminate the first line of restart;

2. how can i save my files in a directory that is in the current directory. For example i have a directory in current directory named "plotFILES".

thanks in advance for your help

Unable to open file...

September 03 2013 maypay 10

Hi, I’ve recently begun using Maple 16. I just discovered a problem when trying to open my saved files. I can’t open them directly form the folder where they are saved, I get a Message saying: File could not be found, please select another file. I can accsess the same file through the recent files form within the application.

It is not a shortcut, but the original file I'm trying to open.
If it matters, I'm using windows 8 

File could not be found...

July 22 2013 DavidR 0

I recently purchased a new MacBook Pro (retina) with Mountain Lion and found that my Maple 12 programs would not run.  So I updated to Maple 16.  Initially all seemed to work well.  But now when i try to open a Maple .mw file, I get the message

"File could not be found.  Please select a different file."

What has happened and how can I get my programs working again?




  I have a .txt file created from maple. I want to read some data using maple. The content of that .txt file is



some word,                     -7
                    -0.25333 10


some word,

I created a maplet in maple using the following codes:

> restart:
> with(Maplets[Elements]):
> m5:=Maplet(
> Window('title'="Turev",
> [
> ["Fonksiyon:",TextField['Y1']()],
> ["Turev Degiskeni:",TextField['Y2'](3)],
> TextBox['TB1']('editable'='false',3..40),
> [Button("Turevi Hesapla",Evaluate('TB1'='diff(Y1,Y2)')),
> Button("Tamam",Shutdown(['Y1','Y2','TB1'])),
> Button("Temizle",SetOption('Y1'=""))]

... is finance.dll missing in Maple16 (64 bit), as it was in Maple15 (64 bit), so you have to install the 32 bit version instead?

Is it possible to move the finance.dll-file from Maple16(32-bit) to Maple16(64-bit)?


Suppose I have a file of text that I would like to read into a Maple (16) worksheet as a string. (I have in mind encrypting the string using the RSA encryption scheme.)

If I paste the text directly into the worksheet and surround it by ",  I have no problem, but if I try to read, for example, a file some_text.txt using a command like


Hi all.

I want to make a graphical application for a webpage, showing curves with a certain number of points on X axis (about 10 or 15), and some sort of “handles” on curve values (for every curve,...


I am using Maple 13 (hoping to upgrade soon) under Windows 7.

The open file dialog looks a bit weird, as per the illustration. Is this a known bug, and has it been fixed up in subsequent versions of Maple ?



I would like to see the contents of a .m file into a human readable form.  How do I do that?

Hi all,

A while ago, I had asked a question relating to calling to an MapleSim .msim simulation within maple .mw worksheet. (Thank you Acer! :) I got it working but then another issue just popped up...The basic structure is as follows:


A := MapleSim:-LinkModel('filename' = "TriplePendulum_WORKS_v2.msim")

for z from 1 to 50 do


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