Maple Questions and Posts

These are Posts and Questions associated with the product, Maple

Are the following paragraphs from the new Mapleprimes Style Guide supposed to contain marked up 2DMath or interpreted Maple result, because right now they don't.

See http://www.mapleprimes.com/help/styleguide

"For example, if you enter <maple>x^2/y^2</maple> you will get this image: x^2/y^2

Any Maple syntax will appear, so you can get complicated and enter this: <maple>sum(cos(x^2)/sin(exp(y)),x=1..infinity)</maple>
which then appears as this image: sum...

For fun, I have created a sweet and short small animation procedure, which I must say is one of my biggest programs yet (gasp!) as much as I have played with Maple I should have at least created a few more ... In any case, it is a procedure of a random set of numbers chosen and displayed in a histogram on the left with a running total tallied on the right. It is by no means efficient (but feel free to fix up my code and tweak it a little bit, and let me know so I can learn more...

How can I build an increasing list using a loop?

Something like this

a[1]:= [...]
a[2]:= [...]
a[3]:= [...]

c[1]:=a[1]
c[2]:=[op(a[1]),op(a[2])]
c[3]:=[op(a[1]),op(a[2]),op(a[3])]

etc...

I thought about using a loop but then got stuck

for i from 1 to 3 do
  c[i]:= ???

Hi everyone.

I have been experiencing a problem trying to solve a coupled system of 4 differencial equations, 2 PDEs with 2 ODE.

My problem is that a got a message back as I try to solve the system:

"Error, (in pdsolve/numeric/process_IBCs) improper op or subscript selector"

My first question is: Am I defining the IBCs rightly?

If not, I don`t have a clue on how to solve this problem, I really apreciate some help out here.

Hi friends,
here is a paper from a book, which partiell diff equation I would like to solve with MathCAD or Mathematica or Maple. WHo can help? Thanks  a lot spending your time.  here is the PDF File with the paper

 Hi
first : My English not good,so excuse me.
I have a problem with this:


1)C+Z*(C)*X=D where;

I know D , Z and X are matrix(n*n),(known)
but i can`t find C or Solve (1)finding C(matrix(n*n))

Help Me

Reza

In all versions prior to and including Maple 13 the Histogram default incorrectly displays the data.  Has this been fixed in 14?

eg.

a:=[1,2,3,4,5,6,7,8,9,8,9,7,6,5,4,2,2]

with(Statistics):
Histogram(a,frequencyscale=absolute,binwidth=1)

Clearly the...

I just finished submitting an SCR: the link to spec_eval_rules at the bottom of the ?procedure help page doesn't work in the Online Help (it works in Maple itself, though). And I can't get ?spec_eval_rules to work directly, either, in the Online Help.

Also I was wondering, how about a badge for a certain number of SCRs?

The sample code below generates a message: Error, too many levels of recursion.  It appears to be in the permute function, and seems to be related to variable names I have in my program.  The "error" is intermittent - it appears to work for some but not others eg  aaa:=permute([a,e,i,l,z], mm); does not work but aaa:=permute([e,e,k,n,s], mm); does.  I suspect that it is not liking some variable names in my program.  Any hints or suggestions much appreciated.

How can I animate a plot into another plot?

For example x^2   into  x^3. 
I know this doesn't work but I mean something like this   animate(plot,[x,x=x^2..x^3])

 

Is it possible to use Maple 14 to solve a system of second order partial differential equations numerically. I have tried to do this and keep getting the following error messages:

 

Error, (in pdsolve/numeric/plot) unable to compute solution for t>0.: matrix is singular.

Error, index must evaluate to a name when indexing a module.

I am concerned that there may actually be a problem with the system of PDE's I have set up not...

Depending on the number of bars in a histogram.  The bars vary their width. 

Why is it not consistent?

In Maple Help under [worksheet,documenting,table (Tables)] exists one example of Creating a Table of Values. I want to reproduce this example, but without luck. Please can someone show me how to do this?

Here is how it looks in Maple Help:

 

Example Table of Values 

Hello, I am attempting to import a .pdb file into Maple, as part of converting some Mathematica code to Maple.  I need something that that can accomplish something equivalent to the Import command in Mathematica.  I have tried using readdata, ImportData and fopen with little success.  If anyone has any suggestions, that would be of great help.

The label for the horizontal axis refuses to be printed no mater what I tried. I can insert, change and manipulate the vertical axis label but not the horizontal. I don't know what else to try.

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