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hello guys , i have a metric and i want to find its non-zero components of ricci tensor but i have problem with writing the metric and maple gave me error.

In this work we show you what to do with the programming of Embedded Components applied to graphics in the Cartesian plane; from the visualization of a point up to three-dimensional objects and also using the Maple language generare own interactive applications for touch screen technology in mobile devices techniques. Given that computers use multicore and designed algorithms that solve calculus problems with very good performance in time; this brings programming to more complex mathematical structures such as in the linear algebra, analytic geometry and advanced methods in numerical analysis. The graphics will show real-time results for the correct use of the parallel programming undertook to bear the procedural technique is well suited to the data structure, curves and surfaces. Interaction in a single graphical container allowing the teaching and / or research the rapid change of parameters; giving a quick interpretation of the results.




L.Araujo C.

Physics Pure

Computer Science




Hi Maple friends.

I created this table using the table component from the componwnts palette. But I can't plot it - Maple just plots the second column as horizontal lines. I want the first column to be the x values, and the second column to be the y values. How can I plot it? 

Also, the table component automatically generates the the incremental values starting from 1, so I only need to create a 1 column table. But how can I plot the table, using the auto generated values?

Thanks in advance.

EDIT: There is a 'embedded plot window' component, which may somehow plot data in the table component, but I can't get it to work. I've tried dragging the table component into it with no succes.


The Embedded Components are containers that currently use industries for modeling complex systems to find viable solutions in real time and thus avoid huge wait times and overload our computer; by this paper should show you how to implement a dynamic worksheet through Embedded Components in Maple; it goes from finding solutions to ordinary differential equations partial; which interact with the researcher using different parameters.
Using graphical programming will find immediate solutions to selected problems in science and engineering criteria of variability and boundary conditions evolving development with buttons on multiple actions.



(in spanish)


Lenin Araujo Castillo

Physics Pure

Computer Science

i make two component that the left named MathContainer0 and right named MathContainer1

which can enter any numers on it

and i want to solve the eqution such as  

x*%MathContainer0+y*%MathContainer1=0 ,and y*%MathContainer0+x*%MathContainer1=0

but it still not shows the answers i want

anyone can help thx


How to present two indexed values a[n] and b[n] in form

a0 = ...,

a1 = ...,    b1 = ...;

a2 = ...,   b2 = ...;

in MathContainer component?


Thank you.

I have a TextArea component on the worksheet. Is it possible to create on the worksheet some number of Sliders, where the number of sliders is defined by the number entered in the TextArea?


I have a simple Maple application with two TextArea components (TextArea0 and TextArea1) inside.

The start up code is following:

Actions := module()
export DoNothing;
    DoNothing := proc()
    end proc;
end module; #Actions

the action when cotents change for both TextArea components is

use Actions in
end use;

The problem:
When I change the focus from one TextArea component to another and press Restart maple server then an error appears:

Error in Component TextArea1 with caption "TextArea": `Actions` is not a module or member.
Haw can it be fixed? Thank you.



Is there any way to program a button component to stop current calculations and restart maple server?
Thank you.


I have two problems:

1) Start code SetProperty(Button0, enabled, true); doesn't switch the property 'Enabled' of Button0 to 'true', as I'd like it to. How to correct the code to switch?

2) I'd like the property 'Enabled' of button 'Button1' switch to 'false' immediately after it is pressed. (I put SetProperty(Button1, enabled, false); at the beginning of Action When Clicked) However Maple waits untill all code within Action When Clicked is calculated. How to correct it?


I want to show an animation in Plot component on Button press.

Action when clicked for the button :

use DocumentTools in

Do(%Plot0 = dis);
SetProperty(Plot0, play, true, refresh=true);

end use;

Variable dis was calculated earlier:

B := animate(plot, [u(t, x), x = xmin .. xmax], t = tmin .. tmax, frames = n):
dis:=display(B, insequence = true):

However, the first press on the button gives static first frame. Only second press starts the animation.
What's the problem with my code?

Is it possible to programmatically insert an embedded component, say for example a TextArea0?


I am aplying a simple energie balance with some simplification, and i am implementing it on maplesim.

The component has the following equations:

Am i missing something? Do i need any aditional equation to maplesim know to where should the fluid be moving when Qjacto is positive or negative? Why do i have...


I am trying to perform a simple model of the entrainment of air in a jet by aplying energy emand momentum balances to the injector and flute. But i am having doubts on how to prescribe pressure on a point. This is the equations of the component Injector:

In the component porti...

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