I was trying to call a C shared library which calls a Python function. I got the following error:

Error, external linking: error loading external library

/directory/of/my/library/libbe.so: libpython2.7.so.1.0: cannot open shared object

file: No such file or directory

Since I was running this using a pbs file, I made sure that I exported LD_LIBRARY_PATH (to libpython.so) inside the specific node. Does anyone have ideas on why this happens? Thank you!

Hey there,

I am using the fsolve command in order to solve numerically a system of equations with N equations and N unknowns. According to my discretization the number of equations changes. If I have a small number of equations it all works out perfectly. But if I increase the number of equations I just get something like that:

Sorry, for the long post, but for a small number of unknowns Ai it works. It seems that maple doesnt try to compute? Has anyone encountered the same problems?

Any help is appreciated.

Jens

Dear All

It is well known that the package "PDEtools" is helpful in finding infinitesimal transformations for PDEs which I illustrate as follow:

Download Writing_Vector_fields.mw

Regards

I'm trying to call a C function which returns an array. The example on the help page http://www.maplesoft.com/support/help/maple/view.aspx?path=examples/ExternalCalling is to pass in an array with known dimensions, which will be updated in the C function, but I wonder if this is the only way to do it. For example if I have an array of unknown dimensions beforehand, what is the best approach to return this array?

Thanks!

 Hello,every one,i want to solve system of equations but i recieve an error ,how can i find the coeffecients c1,c2,c3,c4?thank.

Download Numerical.mw

Dear MapleSoft,

Would it be possible you once design a MapleSim webinar for users with more emphasis on Modelica (language, examples, etc.), on how to build more complex custom components, not just a simple DC motor? I think this would be very useful and could extend / enhance the use of MapleSime even more.

Tx in advance,

best regards

Andras

you write:

Hello every one,please help me for plotting this equation(T).L=1,t=10,a=0.1,x=0..1

Table_1_for_example_1.mw

I am try to find root by using fsolve. But I am not get solution.

Please help me to solve this problem?

I have been attached the program above.

Thank You.

Best Regards.

Velmurugan G

n := 5:
z1 := exp(2*3.14*I*k1/n)*cosh(z)^(2/n);
z2 := exp(2*3.14*I*k2/n)*sinh(z)^(2/n);
xx := Re(z1);
yy := Re(z2);
uu := cos(alpha)*Im(z1) + sin(alpha)*Im(z2);

use above example of calabi yau equation, do not know which variables z, k1, k2 are u and v, then i assume k1 and k2 are u and v respectively,

E := diff(xx,k1).diff(xx,k1);
F := diff(xx,k1).diff(xx,k2);
G := diff(xx,k2).diff(xx,k2);

then calculate metric
diff(E, k2);
F
diff(G, k1);

which function can input these metric diff(E,k2), F, diff(G,k1) to prove calabi yau equation's metric's ricci is flat

hi .i have a problem with dsolve this equation.please help me for removing error

"initial Newton iteration is not converging"

thanks..

SGT-FDM.mw

Download SGT-FDM.mw

HI.please help me for solve differenrtial equation with finite difference method not dsolve numeric solver in maple

thanks

FDM2.mw

Download FDM2.mw

hi

i have a problem with convert mathematica code in to maple one

i attached maple file .some line have error.please help me for remove error

thanks

fdm.mw

fdm.pdf

hello.

i have two problem in maple file, that is attached..

one of them is RootOf...note that i suppose that [varepsilon := -2.3650203724313] for i can going on following calculation

and second is  Float(undefined) in calculation integral

please help me

thanks

(m=1_n=6)2.mw