Dear everyone,

  Hello,

  I have a question related to copy and paste in Maple 16.

 Consider an input like

**********************************

eq1:=4*x^n*y^m+3*x^2+5*y^2;

f1:=map(t -> `if`(match(t = c*y^d, y, 's'), subs(s,c), NULL),
      convert(eq1, list));


f2:=map(t -> `if`(match(t = c*y^d, y, 's'), subs(s,d), NULL),
      convert(eq1, list));

Sir/Madam

My Version of MAPLE is 13.02

I have the following expression on my worksheet:

(63/8) ((cos(Θ))^5)[G,H,L,P,T,U]^5 -(35/4)((cos(Θ))^3)[G,H,L,P,T,U]^3 + (15/8)(cos(Θ))[G,H,L,P,T,U]

I do not need the factors of [G,H,L,P,T,U] and I want to delete them, but all my efforts in the past few hours are in vain. I have tried to highlight those expressions and then use the EDIT -> DELETE ELEMENT...

Hi,

Is there a way to generate Java or C code to implement a general nth order linear ordinary differential equation?

I am looking to be able to send the coefficients and have it compute the time waveform given initial conditions.

Regards.

how can I solve memory used limitation problem on MAC OSX LION .After memory indicated on the bowwtom of the sheet reaches 57M it freezes.

I noticed the following behaviour in Maple 16:

x1 := (a)^(b):
eval(x1,[a=103/100]):
evalf[3](%);

                                 b
                             1.03

I wish to use the 'Numeric Formatting' feature on some results in Maple, to show the correct significant figures in the results. But when I apply Numeric Formatting to any result, the decimal seperator changes from the usual dot (.) to a comma (,). How can I keep the dot as decimal seperator while applying the correct significant figures?

Thanks. 

I entered the following code in Maple 15.  In one instance it plotted the correct graph with the "x" and "y" labels exactly where I wanted them.  The identical code, in another instance (and again in a separate tab) generates an error:

  "Error, (in plots:-display) cannot make plot structure from object with name textplot"

Of course, when I click the error above in Maple (it is a link), a Maple webpage comes up that says:

mapletrig.mw

Hi all,

I need to solve a simple integration as shown in the attached work sheet.  But don't know how to obtain the required answer as shown.

I shall be very thank full if you guys could help me out with this.

Best Regards

A.Q

Please excuse me if this question is too basic or has been answered before, though I've spent a couple of hours searching for similar questions without any luck.

I have the following expression, which is given in terms of other expressions:

Hallo Everybody!

I have a question concerning MapleSim5 and the "change of parameters during the simulation".

I am trying to build a kind of gantry crane, consisting of a vehicle with a pendulum. The mass on the pendulum can be pulled up and pulled down (the pendulum length can be varied). The inertia of the pendulum changes with this length of the pendulum. The pendulum is represented by a "Rigid Body". In this block it is possible to enter the matrix of inertia. 

Hello, 

I have to solve a system of two equations but I have the error message "Warning, cannot evaluate the solution past the initial point, problem may be complex, initially singular or improperly set up"

Here is what I did :

I have a problem in determine the relation between two variables in a polynomial equation f(l2,v)=0. The results of two methods puzzled me.
The first method I tried is use the fsolve command.
In equation f(l2,v)=0,the range for v is [3405,5054] and l2 is a complex variable.
I plotted the figure for the l2=l2(v) in complex plane.Because the degree of l2 is 8, I have eight curves in the figure.
Obviously, the order in the result of fsolve is indefinite, so it can...

please please help meeeeeeeeeeeeeeee

> restart;

> Ndx := 6; Ndy := 3; imax := Ndx+1; jmax := Ndy+1; Tb := 0; Td := 60; Th := 180; Tg := 80;
                                                     ...

Hi guys,

Maple solved numerically the following system of two coupled PDEs.

PDE1 := diff(a(x,t),t) = - 2*a(x,t) + 1*b(x,t)
- exp(- 1/(1 - (x-0.5)^2))*( diff(a(x,t),x,x) + a(x,t)*diff(b(x,t),x,x) - b(x,t)*diff(a(x,t),x,x) );

PDE2 := diff(b(x,t),t) = - 1*b(x,t) + 2*a(x,t)
- exp(- 1/(1 - (x-0.5)^2))*( diff(b(x,t),x,x) - a(x,t)*diff(b(x,t),x,x) + b(x,t)*diff(a(x,t),x,x) );

IC := [ a(x,0)=exp( - 1/(1 - (x-0.5...

I have a variable x, and trying to get an output of E00. Here is what I have :

with(LinearAlgebra):
x:=2:
g:=Matrix([[3ξ+5x,8x-7ξ,2ξ],[ξ,4ξ+9x,7ξ].[5ξ,ξ,4x-6ξ]]):
h:=RandomMatrix(3):
p:=g.h:
E00:=(map(int,p,ξ=1..3))

I would like to change x to 2,4,6,8,16 and have different output of E00 and later on plot a graph. I have been trying to run them seperately. Is there a way for me to key in the inputs of x at one go? Please help. Thank you very much.