Hi:

I want to copy some Maple output elsewhere in the form of Maple input.

Usually, if I highlight the output expression I can copy it with CTLR-C, and paste it elsewhere where it appears as Maple input.

Just like you'd expect and just like you'd want.

But if the expression is fairly long and complicated (it covers two lines on my screent this time), the highlight insists on including the > symbol on the next line and when I paste, all I get is the Maple output that I started with.

If I write the output expression name to a temporary file and read it in another worksheet, the same thing happens when I ask for the name of the output expression - it appears as Maple output. But I need the expression in the form of Maple input so I can modify it.

All this makes me think that there is a limit to the size of the copy buffer, but I can't find anywhere to change that.

Does anyone know how to do this very simple task which usually works reliably for small expressions?

Thank you.

Hey guys, 

I am working with Maple 2024. I have to solve many systems of polynomial equations symbolically. I have 8 equations, 8 variables and 14 inequalities (which also implies that I only want real solutions). In my opinion the equations are not too difficult. However there is a maximum of up to 4 variables multiplied together which could be a problem. Since I have to solve thousand of those systems I need to reduce the amount of time needed. While many of the systmes only take a few seconds, there are a few systems (10%) that need way to much time (multiple houres, sometimes I stop the process before the computation is over). 

In my attached file you can see the kind of equations I have. While "equations_500 union inequalities" only needs a few seconds, "equations_1162 union inequalities" needs more than 2 houres (than I stopped). 
I also tryed a second approach. At first I just solved the 8 equations. Then I took every solution, combined it with the set of inequalities and solved it again. Not only does it not work for equations_1162 eather, but it also sometimes brings the warning "solutions may have been lost" which is not really convincing. For that process I also used "with(RealDomain) since I only want to find real solutions when solving the eight equations in the first step. 

I figured out, that for the normal and simpel solve command it cqn help to rename the variables so the lexigraphic order as the initial situation playes a role. But when I understood the pages explaining SolveTools or Groebner, this optimal order of the variables is completed automatically inside these environments. 

So my question is: Is there any way to accelerate the process (in this case for equations_1162)? Waiting some minutes isfine, but I cant wait houres for one solution. 

Thank you in advance. 

solve_system_of_polynomials_with_inequalities.mw

Prove: If a is an irrational number, then the function y = cos (ax) + cos x is not periodic.
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I try to get some Bilinear form for some PDE equation  and already i have algorithm by writing in lecture but i can't apply i don't what is mistake i did, and i didn't seen some of this lecture code in maple  like (myint(expr,var))
 i  do upload PIcture of algorithm and example which they get Bilinear form 

Bilinear.mw

thanks for any help

If a point is chosen in the Euclidean plane, then it is red or black.
It must be proven that there is then an equilateral triangle with corners of the same color.

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In Case I, dsolve solves the two ODEs separately. In Case II, dsolve solves them together, but only if I define a constant. In Case III the constant is not defined. dsolve never returns, and I have to hit the stop sign. The question I have: Is there a consistent method to the failure so that I can avoid the problem in the future with other ODEs?

dsolve_bug.mw

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Download 2024-12-01_Q_Data_Table_alpha_as_Greek_Letter.mw

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For example 

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Download ask_recrusive_sequence_of_A[n].mw

Something has changed in the past weeks (not sure for how long) and I have not figured out what exactly.

Probably it is me doing something differently while editing an input line. Below is an example where the name data is not italic any more

Anybody else experiencing the same?

My interface seetings:

Hello to whomever this may concern. I am curently trying to estimate parameters and initial conditions for a system of ODEs. I have taken inspiration from the code given by Robert J. Lopez. I am having issues with minimizing the SSE (sum of squared errors) which I named as a procedure using the NLPSolve command from the Optimization package. It returns an error saying there are too many levels of recursion, which I do not understand where it is coming from or how to solve the issue and I was hoping to get an explination on how to solve it.

Below is the code up until the error. Any help or guidance would be greatly appreciated.

Parameter_estimation.mw

when i replace mu=0 in my equation mu[3] and mu[4] also become zero why ?

Download tester.mw