## Domain problems in plot for Maple 16

by: Maple 16

The basic plot routine in Maple 16 has a serious problem with the domain.  The following is an example.

The domain is correct in Maple 15.  This failure occurs in both Windows 7 and Linux.

## PS driver in Maple 16 for Windows

by: Maple 16

I have been generating graphics in Maple 16 using the plotsetup(ps,...) command under Windows 7 and Linux.  Maple tech support has a fix for Linux and has confirmed that there is a bug in the Windows version.  These are a Windows eps (converted to png for uploading) and png of the same figure.  The eps conversion should not do this.

## Parallel Programming in maple...

Hi, i'm interested about parallel programming in maple but i cant find a good tutorial. is there anyone know a good refrence for this topic?

## Parallel in Loop...

Hi,

I want to parallel the following code.it is good that part1 solved by one thread and part2 solved by other thread.

dtheta[m](x):= theta[m-1](x)+phi[m-1](x);
dphi[m](x):= theta[m-1](x)-2*phi[m-1](x);

for i from 2 by 1 to 10 do;

# part1

theta[i](x):=subs(m=i,dtheta[m](x)):
theta[i](x):=value(%):
eval(-theta[i](x),x=0);

## utilde, xtilde as variables?...

There is a utilde on the Latin pallette, among others. How do I get xtilde as a variable?

## A simple bat file...

I want to create a simple executable bat fil.

1) When I click on it maple should launch in the background (I dont want to see maple open)
2) Then Maple should open a txt file located on the desktop (containing a 1), read the file
and save  a new txt file on the desktop containing the number in the previous fil +1.

How can this be done?

## how to deal with these warning?...

i study a simple differential equations as follow and get the solution,but i faced two warning which puzzle me:

> restart;
> eq2 := diff(x(t), t) = x(t), diff(y(t), t) = x(t)^2+y(t)^2-1;
ans1 := dsolve({eq2, x(0) = 1, y(0) = -1}, numeric, [x(t), y(t)], range = -10 .. 10)       ;

Warning, cannot evaluate the solution further left of -1.1646698, probably a singularity

## "save the active file" command...

I am planning to use the "schedual task" in windows to try to launch
maple in the background (run under some different user account)
to do some computations.

For this pupose I have designed a little counter that is located in the
Start up code region:

for i from 0 to 100 do
if DataTable1(1, 1)=i then DataTable1(1,1):=i+1:  break; end if:
end do:

the DataTale will tell me how many times the worksheet has been opened
just to check...

## A Hybrid between HTTP:-Get and ImportMatrix

by: Maple 16

I came across a thing that does not make sense in Maple. If you click on:

http://ichart.finance.yahoo.com/table.csv?s=CSV&a=10&b=15&c=1996&d=03&e=24&f=2012&g=d&ignore=.csv

Then you will get a csv-file.

Now if you download and save that file on your computer then you can open it with:

Does anyone know if you can schedual a task in maple ie at 12:00 add a number
to a matrix in a worksheet (Just an simple example to see if it is working)

In windows you can use the "Task Scheduler" to automate stuff that you need to repeat.

Also I dont want the actuall Maple software to actually launch at 12:00, I want everything to happend
in the background.

If you put the maple commands in the "start up code region" of the worksheet I guess it

## Visualizing Sorting Algorithms

by: Maple 16

I did not come across with a sorting algorithm animation that allows me to enter my own data, so I decided to write one in Maple.

In this worksheet, you can create an animation on sorting the integers that you have entered. If you let the worksheet to generate the data for you, you can specify the sortedness of the data. This feature allows you to visualize how some algorithms perform better or worse on data of a certain characteristic: The time complexity may not be...

## No more Maple icon...

I installed Maple 16 on Windows 7, 64 bit, french edition, last week. Everything works fine, except that suddenly the Maple 16 icon has been replaced by the anonymous exec file on windows. Tried to restart, but the icon is gone...

Does anyone else get this problem ?

## Does plot() command have different behaviour in Ma...

I've observed different behaviour in Maple 16 when invoking the plot() command with the coords=polar option.

Here's what Maple 15 produces:

...and here is what I get in Maple 16:

## Trial ZNO in Maple 16

Maple 16

Ukraine. External independent evaluation (ZNO) in 2012. Trial in Maple 16

html 3-interactive in Ukrainian: zno.zip

## Maple 16 arrow definition of a matrix...

Hi everybody:

was wondering if someone could help me figure out what change took place in Maple 16 so that the expression shown below does no longer work

A:=a->Matrix(2,2,[[a,3*a],[a,4]])

It worked OK until 15

thanks

karamand

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