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Hi, 

I have the following non-autonomous system: 

 

 

I'm searching for a third variable z(t) such that it would make the system above autonomous.

 

Regards,

Johnny 

Hello,

Please, i want to resolve a non linear eaquation with Lagrange multiplier with 4 variables.

But it dosen't work.

Can you help me in this.

 

Thank you

 

Hello,

Please, i want to resolve a non linear eaquation with Lagrange multiplier with 4 variables.

But it dosen't work.

Can you help me in this.

 

Thank you

 

I am using an old package, Janet, I got from http://wwwb.math.rwth-aachen.de/Janet/janet.html with Maple 16.

I changed the libname to point to the directory where the package files are.

Few days ago I was able to call help(Janet); without any problems but now everytime I try to call help(Janet)

Maple front-end loses connection to the ihe Maple kernel.

The package loads fine...

Hello,

Please, i want to resolve a non linear eaquation with Lagrange multiplier with 4 variables.

But it dosen't work.

Can you help me in this.

 

Thank you

Multiplicateur_de_La.mw

Hi all,

I have a problem with dsolve. I have a 2-d (thin shell) theory which I am solving with Maple. For a Simply supported beam, there is no problem, it solution is more or less what you would expect. When I make 1 side as a clamped edge (x=0), there is a problem. The total result is 'ok', but it gives a peak in the 2nd derivative of Urn at x=0. This peak results in unrealistic stresses, etc.

I don't exactly know what the problem is. It seems there is a problem...

I have a numerical procedure that reads data from a file and builds a composition of maps from the half-plane to the slit half-plane.  Maple does not deal with this very well symbolically.  I want to use the complex values from this function as a vector field and plot some integral curves.  The 'mystery' function below is a stand-in for the real thing*

I can get DEplot to at least show the vector field, but it fails mysteriously on drawing any curves,...

Hi,

I'm searching for the third differential equation that will transform the following two equations non-autonomous system into a three equations autonomous one:

diff(x(t),t)=-x(t)+2*(m*t+n)*y(t)-2*k*(m*t+n)2

diff(y(t),t)=-y(t)+k*m-(m*t+n)*((x(t)/2)-1)

 

diff(z(t),t)= ...

 

Regards,

Johnny

with insequence=true command, first, the first option is showed, then second, then third and so on.. but i want to show all options from in grpah, then animate in sequence.

Hello, im a current user of Maple 16, i have a problem in finding a minimum of equation ( equation of a external work equating the internal energy dissipation) f= E-W ( im studying a slope stability with limit analysis)

the equation is:

I have a 3dplot of a certain procedure with the color specified by another procedure. 

The standard color range, from red to purple, does not look very good in my application. Is there a way to change the color range to for instance: light green to dark red?

Hey Forums!

 

Im using maple 16 for some rather simple Engineering calculatioins. One thing about using maple bothers me, and that is the way my result is displayed.

 

Here is an example

Here is another

 

Adding "simplify" or "evalf" sometimes does the trick, but id really like...

Does any one know how to derive this model in Maple?

The_Price_is_Righ.pdf

Hi, 

I've bought NAG C Library for my mac in order to use it in Maple.

However, it seems that Maple doesn't know where to search for it.
Indeed, it returns

Error, (in NAG:-h03abc) external linking: error loading external library libnagc_nag.dylib: dlopen(libnagc_nag.dylib, 129): image not found 

I've installed NAG C Library in usr/Library

 

Thank you very much for your help 

Hi all,

I'm new to Maple and need to solve four equstions as four variables and some parameters. The solution needs to be expressed in terms of the parameters only. All variables are real and positive and the four equations are listed below. When doing the solve function (and assuming all variables to be positive) I get very large expression with _Z and RootOf. The allvalues function does not help this. Am Idoing something wrong?

 

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