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Thanks to the help of several list members I managed to translate and update some old procedures.  These procedures were part of a packcage and they all had help files.   Here is an example


# E. Mendes - 25/04/94

`FUNCTION: sampling - finds the discretized model`,
` `,
` sampling(f)`,
` sampling(f,k)`,
` sampling(f,k,vars)`,
` f - state space`,
` k - order of approximation`,
` vars - variables`,
`- sampling(f,k) returns a discrete approximation for a continuous`,
` system`,``,
` dx(t)/dt=f(x(t),u(t)) `,
`EXAMPLE: `,``,
`> with(linalg):`,
`> f:=vector([x2,x3,-x1+x2^2+2*x3]):`,
`> sampling(f,1)`,
` 2`,
` [- x1, x2 + x1 ]`,``,
`SEE ALSO: fixpoind, fixpoinc`):


I have browsed the help documentation but I must confess I don't feel comfortable to modify the help database.  Do I have to wrap all the functions up as a package and then write the help files?   I am lost here.  Any help will be most welcome.

Many thanks




in internet or maple, is there a neural network package in maple?

i find example link after googled, however, still feeling not easy to apply to data.

is there the most simplest version for two columns of data ?

In a local directory I have a number of worksheets that uses the same procedures, so I want to collect these procedures in a package, where the file with the package should be stored locally, since it is only relevant locally.

Is that possible, and how can it be done ?

I am trying to find a download for the ONEOptimal package for Maple ( I read the article but there is no download link to the file. Does anyone know where I can download the package?


I have .mla. package and I would like to create the source code associated to this package.

In the past, you have also help me to obtain the source code of procedure of the module.

Here the post where Carl Love has helped me :

How can I do to create the complete source code of package directly ?

Is there a direct way enabling to not have to read one procedure by one procedure but to obtain the code source for all the package ?

Thank you for your help



I am currently working in Maple, following an example on the Maplesoft site very closely. I am trying to make use of the 'Colorize' function in the Escape-Time Fractals package.

I have a Newton's basin with the standard colouring but am trying to make my image more sophisticated. I have tried following the example given for the Mandelbrot set (At the bottom of the page - as there isn't one on the Newton Fracal page but keep receiving the Kernel lost message. I do not think the issue is my firewall.

My code is as follows,




Everything works up until I go to evaluate P. I have tried giving both Arrays datatype=float[8] and have tried getting rid of the datatype section completely as to use the default. Neither of these have helped.

Any insight as to why this may be happening would be appreciated.








I receive this message when I try to store the package that I have created as a table


Do you have some ideas how I can correct my code so as to store efficiently my package ?

Thanks a lot for your help


In a worksheet, I have defined several long procedures. In order to simplify my worksheet, I would like define thes procedures in a package so as to call theses procedures from the package. It should enable to improve the readability of my worksheet.

However, i have never make a custom package. Can you detail me the main steps so as to create a custom package ?

Thanks a lot for your help.


Hello, guys

         I am a totally new comer in this erea. I get a new module file and want to implement it into maple,here is the link:

         After I downloaded the package, I didn't know the next step and I can't find a perfect solution to this case, maybe it is too easy.

         Can some cool guys can help me, THX.

Magnet lattices for particle accelerators (the sequence of focusing and bending magnets and drift sections making up a beam line) are often designed numerically using computer codes like MAD that model each beam-line element using either a matrix description or numeric integration, or some other algorithm. The Lattice package for Maple—recently published in Maplesoft's Application Center—allows modelling such beam lines using the full algebraic power of Maple. In this way, analytic solutions to beam-optics problems can be found in order to establish feasibility of certain solutions or study parameter dependencies. Beam lines are constructed in an intuitive way from standard beam-optical elements (drifts, bends, quadrupoles etc.) using Maple's object-oriented features, in particular Records which represent individual elements or whole beam lines. These Records hold properties like the first-order transport matrices, element length and some other properties plus, for beam lines, the elements the line is composed of. Operations like finding matched Twiss (beam-envelope) functions and dispersion are implemented and the results can be plotted. The Lattice package knows about beam matrices and can track such matrices as well as particles in a beam. The tracking function (map) is implemented separately from the first-order matrices thus allowing nonlinear or even scattering simulations; at present sextupole elements, compensating-wire elements and scattering-foil elements take advantage of this feature. Standard textbook problems are programmed and solved easily, and more complicated ones are readily solved as well €”within the limits set by Maple's capabilities, memory and computing time. Many investigations are possible by using standard Maple operations on the relevant properties of the beam lines defined. An interesting possibility is, e.g., using Maple's mtaylor command to truncate the transfer map of a beam line to a desired order, making it a more manageable function.

The package can output a beam-line description in MAD8 format for further refinement of the solution, cross-checking the results and possibly more detailed tracking.

Developed initially for my own use I have found the package useful for a number of accelerator design problems, teaching at the US Particle Accelerator School as well as in modelling beam lines for experiments I have been involved in. Presently at Version 1.0 the package still has limits; esp. the higher-order descriptions are not yet as complete as desirable. Yet already many practical design problems can be tackled in great detail. The package is backwards compatible to Maple 15. It can be found in the Application center together with help database files (old and new style) and a Users Guide.

An example showing the flavor of working with the package is attached ( It analyzes a FODO cell, the basic cell used in many ring accelerators.

Uli Wienands, aka Mac Dude

Hi All,


Where can I download Fourier Series Package? I found other posts related to this but the link is not working.




When using more than 1 package is the following example ( the best way?  It seems when I use more than 1 package without separating withstatements (using restart commands) my program doesn't work right.  What would be the best way to save the contents of all variables and lprint them at the end of program while preventing the restart commands from emptying variables which have been filled earlier in program execution. Thanks in advance! Les



I am trying to use a simple sum ( f:=t,n->sum(MyFunction(k,t),k=1..n) ), but the sum function doesn't "work" :

Error, (in MTM:-sum) invalid input: ArrayTools:-AddAlongDimension expects its 2nd argument, DimToAdd, to be of type posint, but received k = 1 .. n


As far as I can understand, I have loaded the package MTM, and now, the sum has been redefined to do something else, and now I can't use a "normal" sum anymore. Or can I ?

Does someone know how to use the "normal" sum without unloading the MTM package ?




I have downloaded the zip file for CalcP7, unzipped it, and can access its commands in a worksheet after issuing the command with(CalcP7), but "No Matches Found" displays when entering the command ?CalcP7. The download included a file named "aplication" (one "p") of type HDB, but Maple15 can't seem to access its contents.

Are CalcP7's help pages displayable? If so, what is necessary to access them?

I have had no trouble downloading the user package DirectSearch and accessing both its commands and its help pages.

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