Hello. My question is enclosed in the Maple file. Using DrawGraph I get a complicated mess.

graph.mw

Hello,

So as to build a function which gives several outputs, i have made a code with this manner :

Input:=[i1, ..., in]

Output:=proc(Input);

      export o1, o2, o3
      o1=f1(Input);
      o2=f2(Input);
      o3=f3(Input);
      end module

End proc;

By doing, output1:=Output(Input):-o1; , i obtained my result. However, as my structure begins with the procedure (proc End proc), I can't export my result in package.

For this reason, I'm thinking about changing the structure of my code by starting with the creation of the module and put all the functions inside.

Input:=[i1, ..., in]

Output:=module():

export o1,o2,o3;
option package;
o1:=proc(Input)
f1(Input);
end proc;

o2:=proc(Input)
f2(Input);
end proc;

o3:=proc(Input)
f3(Input);
end proc;
   
End module;

Can you give me your feedback on the two structures ? Do you think that the second choice Module->Functions is more appropriated ?

Thanks a lot of your help and feedback.

Hi,everyone!!

I want to plot a phaseplane of the following equation.

this is my code:

But,I can't get what i want. What*s wrong with my code? And how do I modify it?

Thanks you very much.

Dear all

I am facing to run the following expression for an arbitrary values of M, k and alpha.

u := simplify(sum(sum(c[p, q]*2^((K-1)*(1/2))*(sum(sum(sum(sum(2^((K-1)*(p-i-j+q-k-l))*GAMMA(p-i-j+1)*x^(p-i-j-alpha)*(1-p)^j*(1-q)^l*g[i]*binomial(p-i, j)*binomial(p, i)*binomial(p-k, l)*binomial(q, k)/GAMMA(p-i-alpha-j+1), l = 0 .. q-k), k = 0 .. q), j = 0 .. p-i-ceil(alpha)), i = ceil(alpha) .. p))/sqrt(2*(-1)^q*factorial(q)^2*g[2*q]/factorial(2*q)), q = 1 .. Delta), p = ceil(alpha) .. Delta));
FD := simplify(convert(%, StandardFunctions)); expand(radnormal(convert(FD, elementary)))

Please correct it and run it for M=10, k=1, alpha=0.5.

Hi all, I have a problem someone can help me

F := {a^2, b^2, c^2, ab, bc, ca}

G := [a^2, b^2, c^2, ab, bc, ca]

How to convert F to G and G to F ?

Thanks you very much.

I would like to set a metric in its contravariant form before its covariant form but Maple does not do this operation.

Thanks!

Hello :)

When points of triangle, A, B, C (R^2) are given, how to find area of triangle; equation and radius of circle which passes traingle(A,B,C) and height(AH).

or where can i find information about how to do this?

thank you so much:)

How to get tangent angle between two curves? 

example for these : f(x)=((x^4+5)^(1/2))/(sinx+5) and g(x)=cosx^2   ; x>0

thanks :)

I am trying to simplify noncommutative expressions that use the 'dot' operator: `.`. The following is a minimal example:

, which evaluates to:  

This should simplify to 'a1', as I am expecting `.` to work like noncommutative multiplication. If there is any way to define this behavior I would appreciate some help. Alternatively, I would also be happy with reworking 'simplify' to work in this scenario. If it helps, I am working with finitely presented groups. If you see the Maple package 'GroupTheory', you'll see that the 'Group' function has this built in. If we input generators and relators it will simplify expressions of the above type, so I know it can be done!

Lastly, I would prefer displaying '1/a1' as 'a1^-1', but that is just for aesthetics.

Here is a minimal document: minimalexample.mw

Hello,

I'm trying to solve a system of 9 ODE in a model of a chemical reactor. But, unfortunately, when I try to plot the curves, I get the following error message: Error, (in f) unable to store '[Float(undefined)]+8.5809018712796' when datatype=float[8]

Can anyone help me please? I read some related problems here, but couldnt find a solution yet.

Thanks for your time

Best regards

Hello,

I have a optimization question in the following picture.

Question: find matrix T(t). 

I writed a maple code. Could you view it ? You think that it is right?

The code file I writed: maple_code_of_theory.mw

 It is really very important for me. Can you help me?

Thank you. 

This is not a new problem; it is a reoccuring nuisance. When doing a heavy calculation, pressing the 'Interrupt the current operation'-icon will sometimes not halt the execution; rather it continues happily, seemingly without ever stopping. The program does not seem to have stalled, because the executing-bullet at the lower left of the screen flashes back and forth. As the interrupt icon is no longer red, there is no idea in pressing that further. So in these cases, I usually have to resort to an ungraceful shut-down of Maple by way of the Windows job list (Ctrl+Alt+Delete). Is there really no other way?

Ian Thompson has written a new book, Understanding Maple.

I've been browsing through the book and am quite pleased with what I've read so far. As a small format paperback of just over 200 pages it packs in a considerable amount of useful information aimed at the new Maple user. It says, "At the time of writing the current version is Maple 2016."

The general scope and approach of the book is explained in its introduction, which can currently be previewed from the book's page on amazon.com. (Click on the image of the book's cover, to "Look inside", and then select "First Pages" in the "Book sections" tab in the left-panel.)

While not intended as a substitute for the Maple manuals (which, together, are naturally larger and more comprehensive) the book describes some of the big landscape of Maple, which I expect to help the new user. But it also explains how Maple is working at a lower level. Here are two phrases that stuck out: "This book takes a command driven, or programmatic, approach to Maple, with the focus on the language rather than the interface", followed closely by, "...the simple building blocks that make up the Maple language can be assembled to solve complex problems in an efficient way."

I have this H(alpha,beta,eta) con ‡uent hypergeometric function, which I can easily adopt in Mathematica like this

Hypergeometric1F1[( (\[Alpha] + S \[Beta]))/\[Beta]^2, 
 1 + ((\[Alpha] + S \[Beta]))/\[Beta]^2, -\[Alpha] ((
   E^(-\[Beta] \[Eta]))   )/\[Beta]^2]

But when I try to input this in maple using the built-in `hypergeom` it gives an error.

hypergeom((S*lambda2+alpha)/lambda2^2, 1+(S*lambda2+alpha)/lambda2^2, -alpha*exp(-lambda2*eta)/lambda2^2)

Any suggestions?

,Hello everyone 

...I need code for save maple's project like a video

Thankyou