Maple 13 Questions and Posts

These are Posts and Questions associated with the product, Maple 13

Aslam-u-Alikum... How are you? Hope you will be fine. I want to determine the eigenvalues of differential equation in Maple kindly help me... Problem.docx

Aslam-ul-Alikum I need some help urgently. I want to compare the coefficients of like powers of Y_1*Y_2, please help how i compare it in maple

Hi, I got a doubtI don’tknow how to make the Runge-Kutta’s and Euler’s method. The Runge-Kutta for thesecond and fourth order. I don’t know how to beginning the algoritms, I needsome help. Thanks.

hello, i'm using maple, in order to draw a graphic in wich, different functions are plotted, 
these functions came from one with 4 variables, wich represents losses in a phenomenon (extraction) depending on diffenrent variables, so my objective is to varry only one parameter and then draw its curve, and this for each parameter ; i had 4 functions.

with(plots):

f1:=plot((n-1)/(-1+n*10^(6.77*((n-1)/n))), n=1.0537..1.2688):

f2:=plot(0.2365/(-1+1.2365*10^(0.0155*O)), O=76.42..99.92):...

Hellow,

 any one know how to solve the second order differential equation using finite element method (Using Linear shape functions)

I have written the maple code to calculate time domain value of the laplace domain equation. It contain slowly converge double series so that I used epsilon algorithm to accelerate convergence. one summation contain 7 terms and another summation terms reduce to 850 terms after the use of epsilon alorithms. I also used deHoog algorithm with 9 terms to obtain time domain data but maple give the following error:

Error: (in evalf/exp/general) object too large

Do...

If I have the parameters-(v,k,lambda) of a combinatorical design, I wonder whether I can get the incidence matrix of the design or not with maple.

Remark:v is the number points of the design; k is the number of points on each line; lambda is the number of points common on every two lines.

Thanks!

 

 

Here is my sheet. non_linear_P2_last_q.mw

In this problem I have achieved every thing what I aimed, thnaks to the wonderful people here!!!

I am looking for a way to do it in a more structured way meaning the calculation of Jacobian in the attached sheet is somewhat manuel, though I wonder does maple has some other way?

Hello,

I'm solving a system of 3 second order ODE's for 3 unknown functions, using dsolve. But in the output, I receive various sets of solutions which contain only 3 constants of integration. A friend solved the same system but in Mathematica, and received more constants of integration. 

I guess this has to do with the issue that Maple omits additive constants of integration almost everywhere. 

Is there some solution? i.e. some way of using...

I am looking for a numerical scheme which can easly handle such type of problem.

I already had the analytical results of this problem, now I want to know how to treat this problem numerically.

Any idea, then please let me know.

Thanks

Hi every one,

How can I get bouble Curl of this equation

 

 

 

In the above equation, the first term has the Laplacian, the second one has the gradient and in the term "k" is the unit vector and also u=(u1,u2,u3). sqrt(R) is a constant. 

 



Hello,

 

we have to create program which shows chemical concentration changes, but this concentration depends on time and distance along the longitudinal axis. So we have to put numbers into the left side 41x41 matrix from 3 equations:

A:=1, B:=1,E:=0.2, Δx:=0.25,Δt:=0.025.


first when i=0;

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