I tried to install a trial version of Maple on a notebook. After the selft extraction of the installer the rest of the proces is stopped without error messages. The notebook is a modern multi-proc.64-bit  Win 7 correspondent to the software version I tried to install. The question is what to do to solve the problem.

Hello,

I would like someone to help me with this issue I have.

First after some operation I found the following equation:

> m := (x(q))^2 + x(q)

and then I'm creation a function like this:

> eq := q -> m

but then maple is not substituting the equation m inside the function I created, how can I do that, I must work with functions this way and I'll be working with bigger equations but I don't want to copy/paste or type them into the function.

How do you find the intersection of 2 subspaces of R4

v1= [x(1,2,3,4)+y(0,2,3,2)]

v2= [x(3,2,1,1)+y(3,1,1,3)+z(6,4,2,2)

Hi all,

I need to:

a) Find the equation of the sphere passing through the 4 points [- 8, 3, 11], [5, - 7, 1], [- 15, 4, - 6], [10, 2, 9].  Give the coordinates of its center and its radius.

b) Plot together the sphere of part a along with the 4 points of the dataset.

I can't seem to get maple to do this!  I am very frustrated as the sphere command doesn't even seem to work.  I am a total maple n00b...

Download 321.mw

There is a problem which I feeling very puzzling, it is not the codes, but about when running the codes. It seems that if I running the codes immediately (or use "run all the worksheet" ), an error returned unexpectedly, but if I wait a few seconds before rerunning the code which just causes the error, a correct result returned. I feel very...

When I am trying to write the data of the following program in a datafile

restart

with(plots)

eq := (diff(G(eta), `$`(eta, 2)))/Pr-2*n*b*eta*G(eta)+(a+(1/2)*b*eta*eta)*(diff(G(eta), eta))

> A := {x=0, y=0}:

> B := {x=0, -y=0};

> {A} union {B};

{{x=0, y=0},{x=0, -y=0}}

How to get Maple to realise that A and B are actually the same so that "{A} union {B}" would return "{{x=0, y=0}}" instead of above?

Thanks in advance.

How to join expressions in the set, for example to convert the set {y=0, x>-1, x<1} to {y=0, -1< x <1}?

Thank you in advance.

Hi all,

when drawing a geometry.line object by using geometry.draw, the default for each axis is -10..10, so that I cannot see in the plot, for example, the line y=11;

How can I extend this range?

Best regards

Ouba

I want to plot a bunch of straight lines with positive slope in one colour, and I want to plot a single line of negative slope in another colour.

I hope my code is self-explanatory:

restart; with (plots):
myEqns:=NULL:
for i from 1 to 5 do;
 myEqns:=myEqns,y-x=i;
od:
myEqns:=[myEqns];
 [y - x = 1, y - x = 2, y - x = 3, y - x = 4, y - x = 5]
implicitplot([op(myEqns), y+x=0], x=-10..10, y=-10..10, colour=[red,blue]); 

Dear all,

I am a beginner at Maple. A friend of me has told that Maple can solve analytical solutions.

In other words, I want to combine three equations ( a linear system)  in order to conclude to the final solution.

Has Maple the ability to solve analytically a linear system of 2 or more equations? 

Thank you very much in advance.

Kind Regards

Thanos

I'm trying to have Maple work through ideas involving the Fundamental Theorem of Calculus, and am encountering a problem with the programming of Maple.

I begin by defining a function like:

F(x) := int(x^2,x)  (or equivalently, F:= x -> int(x^2,x)  )

Then I ask Maple to evaluate F(2).  I expect to get 8/3 but instead I get this error message:

Error, (in int) integration range or variable must be specified in the second argument, got 2

even if I use a simple x^2+y^2 plot I get these funny gaps at the botom of the plot. I have looked through the FAQ files and can't seem to find a solution to it... is there one ?? from what I have seen so far there does not seem to be an easy solution. with a graph like the type above to change to coords=spherical or cylindrical does not show the same graph due to that change.

Hi,

I tried to implement an small example sheet for using the RSA algorithmen with small numbers. Unfortunatly, I get confused by my own program and have difficulties to figure out what I am doing wrong. My message can be decoded with both keys, the public and private key what is obviously not correct.

below is my code with some comments:

restart: with (numtheory):
p := 13; # my first prime number
q := 23; # my second one

n := p*q;

I am of interest about using StateSpace(de, invars