Is there a function or procedure within Maple (v13) that will return the highest power of a polynomial?

Related to this, how do I determine the error return value from coeff(a,x,i) ?

TIA

Dears, I want to generate a following matrix

g:=proc(i,k); if 86<=i<=100 then if i+1<=k<=100 then Y end if end if end proc:

A:=Matrix(100,100,g);

Is this true (Can i use two if statments)

Could any one help me

Amr

123123.mw

Hello,

I use some commands to generate a figure, as the picture illustrated, The equators of the two balls are solid lines.

It is not proper to demonstrate a 3D figure. I want to make parts of the equators become dash lines if they are...

hoping someone can help me, one of my exam prep exercises asks the following

"

Consider the equation x^2+y^2 = 2+cos(x)*sin(y). Transform the equation into polar coordinatesusing the ”subs” routine, and plot the resulting equation in polar coordinates (read the helppagesof plot to find the syntax for polar plots). Evaluate an appropriate integral to find thearea enclosed by the curve. "

I did the conversion and plotting by

Hi all,

I have this two equations:

ap[k]=Sum(a[n]*sin(n*theta)*f(n,k),n=1..nn);

a[n]=Sum(ap[k]*g(n,k),k=1..kk);

Where ap[k] and a[n] are the unknowns.

I want to convert the two equations in the Matrix form A*X=b to solve it numerically and where X=[ap[k, k=1..kk] and a[n, n=1..nn]] and A the matrix with a rand (nn+kk,nn+kk) the coef and b the second member and a vector (nn+kk)

Thank you for any help to do this with Maple

Hi everybody,

I've got a 3d maple plot which I would like to export to a 3d cad format. There are a couple of file formats and I do not want to narrow that to one (autocad, catia, solid edge, proEngineer ...)

If this is not possible: is there any file format which I can export to, from which with a third party tool it is possible to export to 3d cad file.

Thank you

Harald

I use the commands below to generate a conical helix:

with(plots);x := proc (t) options operator, arrow; t*cos(t) end proc;y := proc (t) options operator, arrow; t*sin(t) end proc;z := proc (t) options operator, arrow; t end proc;spacecurve([x(t), y(t), z(t)], t = 0 .. 12*Pi, thickness = 5, color = blue, axes = normal, numpoints = 500);

Not sure why, but this maplet freezes a couple of seconds after picking something from the listbox

with(Maplets[Elements]):

maplet:=Maplet([[ListBox_{LB1}(FileTools:-ListDirectory("c:/"),'onchange'='A1')]],Action_{'A1'}(Shutdown(['LB1']))):

I want to use the poset package on Maple 14 but am having trouble installing it. Could someone give me a heads up.

Thanks

Dear friends,

Here a toy version of my problem. I would like to write several equations and to export all of them to latex. It consist

in three steps

FIRST I would like to generate for

j1=0..2:

j2=0..2;

j3=0..2;

the equations(for all the combinations of j1, j2 and j3):

assume(a>0, b>0, c>0, d >0, Qs >0):

j1*a + j2*b + j3*c + k/d*X1 = Q1

Basically I just want to have a maplet read a directory and then be able to select a maple file from within the maplet that loads into a new worksheet.

So in a very primitive form

FileTools[ListDirectory]("c:/mymaplefiles")

choose a file and load the file into maple

WORKSHEET_INTERFACE(display,file="c:/mymaplefiles/ the chosen file.mw")

How can this be done in a maplet?

I am unable to solve the following differential equation for u(t). I right-click and select Solve DE but it gives me an incomprehensible solution. Kindly tell me how what to do:

diff(u(t)^2, t, t)+`&x`(`&x`(alpha, u(t)), diff(u(t), t))+`&x`(beta, u(t)^3) = 0

The same equation in "String" notation:

"2*diff(u(t),t)^2+2*u(t)*diff(diff(u(t),t),t)+alpha*u(t)*diff(u(t),t)+beta*u(t)^3 = 0"

The same equation in D notation:

1map.msim

I use maplesim to simulate a simple delay system,as the document illustrated,I set the delay values from 0 to 4*Pi/(3*sqrt(3)) . I want to use a single souce to drive four branches, and use "probe" block to generate a figure which contains four curves according to different delays. So I use a block "4-port Demultiplexer" which selected from Signal Blocks\Routing\Demultiplexers,...

Hi, every body

I have a problem for 4 month ago. This problem is the label in figure. i want to put at label any experssion such as

x*, or x_r or line above x so on ,

please please please help me

it is a good idea if you provide maple sheet to make it easy understand how use it

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