Maple Questions and Posts

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I have a 6x6 matrix that depends on 8 parameters, M(F) (F is an 8-dim array, say...), and I want to compute the eigenvalues of this matrix both at a fixed point F_0 and at some other arbitrary point F'. The problem is that I need to make sure the ordering of the Eigenvalues remains the same at these two points, so that if I'd go continuously from F_0 to F' the eigenvalues would go continuously from Eigenvalues(M(F_0)) to Eigenvalues(M(F')), without any flip in the order of the entries.

Dear All,

I would like to know the easiest way to write data, that are stored in a matrix after a computation, to a file with a specific format. To be more precise, I wish to have the possibility to change the format for a given column.

Here is a trial (output is wrote to the terminal for simplification) based on some examples I found, but without success.

WritedataMatrix.mw

In memory of a Friend. Maple 16 for Russian students.

260412.zip

Оформление - облегченное, чтобы работало на любом компьютере. Разархи и открыти файл ege.html. Неточности присутствуют, наверное. Поправим вместе.

Hello,

I want to calculate the IDs product :

 

hi

so ill preface this by saying my knowledge of DE equations is rusty at best and my knowledge of maple even worse so this may be a stupid question. im trying to model the dynamics of a system and when i solve for the DE equation it's giving me an accleration of zero (plotting a blank graph) when it definitely shouldnt be. ive attached the worksheet. DBM-variablemass_pro.mw

For L a given L-function (such as the Ramanujan-tau Dirichlet series) I would like to compute L(s) at 2.5*10^5 values of s equidistributed in a square region of the complex plane in a reasonably short time (meaning, say, less than an hour.) Is there a Maple function that will do this, either in the original software or available on the web?

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.

Heat equation

I have a rather complicated procedure to solve. All the individual parts of the program are working fine, but when I try to put them together the simulation takes too long to solve. To my knowledge what I'm trying to do is not complicated in it of itself; each system is rather simple. But the whole does not seem to be working or is simply taking way longer than expected or is impractical for the task.

I'm supposed to be doing an integration over a range of 48 (48 hours if units are of interest...

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.

For example, i have the field x*ex+y*ey. Is there a command for transforming it into the same field with polar coordinates and polar unit vectors?


Need help doing this asap please :).

 

http://imgur.com/kIvax

Hey Guys,

I'm trying to solve a system of 5 linear equations to get 5 unknowns:

> seconddegree:= proc(a,b,c) 
 if a=0 then if b=0 and c=0 then print ('infinite solutions')  
elif b=0 and c<>0 then print ('impossible')  
elif b<>0 and c<>0 then print (' one solution',x=-(c)/(b))fi;   
delta:=b^(2)-4 *a*c;    
elif if delta=0 then print('double solution',x=-b/(2 a))  
elif delta >0 then print ('exist two  solutions',x1=((-b+sqrt(delta...
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