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I created my own package and one procudure inside this package is to calculate the eigenvalues of a identity matrix, as shown below




Then, I use this package in another document, all other procedures work well except the procedure calculating egigenvalues, as shown below




How to solve this problem? Thank you.

I want to make a package that I have created work with the LinearAlgebra package that comes with Maple. My package loads into a worksheet fine, but when I try to use one of my procedures, most of which depend upon procedures in the Linear Algebra package, the executable part of my procedure from my package is simply echoed to the screen and not executed. If I then copy the echoed part to a command prompt then it executes fine. How do I make my package use the commands in the Linear Algebra package?

I have three procedures with calling struture:


    > call B (argseq)

    > call C (argseq)

     > etc code

     > return results

end A()

Procedures A, B, C are defined in a single MAPLE .mw worksheet, and each time I use them I have to reload them by pressing return.

Please can you suggest the best course of action?  I have been reading about modules but am not certain that A knows about B and C in the dame module when it calls them

Can anyone help please?




How can I stop this text from appearing in the worksheet output?

What is the purpose of this text as it's a GIANT DISTRACTION from my perspective?



> with(plots);

> with(geom3d);

outputs lots of blue text...


[Archimedean, AreCollinear, AreConcurrent, AreConjugate,

  AreCoplanar, AreDistinct, AreParallel, ArePerpendicular,

  AreSkewLines, DefinedAs, DirectionRatios, Equation, FindAngle,

  FixedPoint, GlideReflect, GlideReflection, GreatDodecahedron,

  GreatIcosahedron, GreatRhombicuboctahedron,

  GreatRhombiicosidodecahedron, GreatStellatedDodecahedron,

  HarmonicConjugate, HexakisIcosahedron, HexakisOctahedron,

  InRadius, IsArchimedean, IsEquilateral, IsFacetted, IsOnObject,

  IsQuasi, IsRegular, IsRightTriangle, IsStellated, IsTangent,

  MidRadius, NormalVector, OnSegment, ParallelVector,

  PentagonalHexacontahedron, PentagonalIcositetrahedron,

  PentakisDodecahedron, QuasiRegularPolyhedron, RadicalCenter,

  RadicalLine, RadicalPlane, RegularPolyhedron,

  RhombicDodecahedron, RhombicTriacontahedron, RotatoryReflect,

  RotatoryReflection, ScrewDisplace, ScrewDisplacement,

  SmallRhombicuboctahedron, SmallRhombiicosidodecahedron,

  SmallStellatedDodecahedron, SnubCube, SnubDodecahedron,

  StereographicProjection, StretchRotate, TangentPlane,

  TetrakisHexahedron, TrapezoidalHexecontahedron,

  TrapezoidalIcositetrahedron, TriakisIcosahedron,

  TriakisOctahedron, TriakisTetrahedron, TruncatedCuboctahedron,

  TruncatedDodecahedron, TruncatedHexahedron,

  TruncatedIcosahedron, TruncatedIcosidodecahedron,

  TruncatedOctahedron, TruncatedTetrahedron, altitude, area,

  center, centroid, coordinates, cube, cuboctahedron, detail,

  dilate, distance, dodecahedron, draw, dsegment, duality, faces,

  facet, form, gtetrahedron, hexahedron, homology, homothety,

  icosahedron, icosidodecahedron, incident, intersection,

  inverse, inversion, line, midpoint, octahedron, parallel,

  parallelepiped, plane, point, polar, pole, powerps, projection,

  radius, randpoint, reflect, reflection, rotate, rotation,

  schlafli, segment, sides, sphere, stellate, tetrahedron, tname,

  transform, translate, translation, transprod, triangle,

  vertices, volume, xcoord, xname, ycoord, yname, zcoord, zname] [animate, animate3d, animatecurve, arrow, changecoords,

  complexplot, complexplot3d, conformal, conformal3d,

  contourplot, contourplot3d, coordplot, coordplot3d,

  densityplot, display, dualaxisplot, fieldplot, fieldplot3d,

  gradplot, gradplot3d, implicitplot, implicitplot3d, inequal,

  interactive, interactiveparams, intersectplot, listcontplot,

  listcontplot3d, listdensityplot, listplot, listplot3d,

  loglogplot, logplot, matrixplot, multiple, odeplot, pareto,

  plotcompare, pointplot, pointplot3d, polarplot, polygonplot,

  polygonplot3d, polyhedra_supported, polyhedraplot, rootlocus,

  semilogplot, setcolors, setoptions, setoptions3d, spacecurve,

  sparsematrixplot, surfdata, textplot, textplot3d, tubeplot]


Hi! I just started to use Maple and I play with some of its functions. I have seen in examples related to RegularChain package an output like  [regular_chain, [[-1, -1], [0, 0]]] and I wonder how I should read it. Thanks for any help and sorry if my question is very basic.

Hi, I know this has been asked ( and answered before) but when I installed this package and pressed ?globalsearch the help page is do I get it?

I am very new to Maple and am wondering how i would install a package. The package I am trying to install is located at 

I am using Maple 2015 on windows 8. Any advice would be useful

I need to minimize an Integration

Is there a package or an interactive package management utilities?


Dear all
I am using Physics[Vectors] package of Maple 17. I want to define an orthogonal curvilinear coordinates through alpha and beta independent variables. To define unit vectors of alpha and beta, I have to apply the derivatives of position vector r_ with respect to alpha and beta, respectively. Please help me to define the unit vectors in directions alpha and beta as derivatives of position vector r_ with respect to alpha and beta, respectively. Please see the below Code:

> restart;

> with(Physics[Vectors]);

> Setup(mathematicalnotation=true);

> r_:=X(alpha,beta)*_i+Y(alpha,beta)*_j+Z(alpha,beta)*_k;

The unit vectors in directions alpha and beta should be defined as:


It is worthwhile to mention that the following expression governs:

> diff(r_,alpha).diff(r_,beta)=0;


Please guide me.

Best wishes


The physics package is pretty awesome, but one thing that would be a big help is some functionality for entering and resolving vectors in angle/magnitude format (50 angle 45 degrees, or what have you.) Is there a way to do this?






I have a Maple package which is a .mla file.

How can I open it to have access to the source code ?

I would like to open it in order to modify a procedure and to use it indepently of the package.

Thanks a lot for your help.

Dear all

I want to know, how one can install third party package into Maple13, the package is "wkptest" i downloaded it from link If anyone knows how to do this please help.

I prefer to write packge:-command(....) so I can see which package the command is from.

But sometimes I am forced to load  a package. Here is an example. IntegrationTools contains some useful types

At load time the IntegrationTools package defines three new types: Integral, DefiniteIntegral and IndefiniteIntegral, which can be used to access integrals involved in any given expression.

I thought I can access these just like the commands in the package, using ":-" notation, but this does not work

v := Int(sin(x), x);


Error, IndefiniteIntegral is not a command in the IntegrationTools package

But this works

v := Int(sin(x), x);

It looks like :- only works to access functions/commands/procs in a package. and not to access types such as in this example.

Is there some other notation to use to reference types in package without having to load the whole package?


Hallo. There is a package "Standard Form" (for Maple 3 & 4):

I am interesting if it can be converted for modern Maple 18?


I'm using MAPLE files, and a little to bored to run all commands in it.

Instead of it would be a bit easier to make a package.

Is there any post here how can I do it?

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