I have set a style for my Maple 2023 sheets

2D-Input, Font: Times Roman 28 pt.

In the the past when I reopened the file, it would come back with the same 2D input font.

Starting today, when I reopen the file, the whole sheet is changed to. 

Maple-Input, Font: Courier New 12 pt. 

You can see it flash on the original stylem then reset to the Courier font. 

I tried resetting the Display options, but no luck.

Any thoughts?

I tried to open some existing worksheets. 

If I enter, e.g.,r f:=x, I get 

"Typesetting:-mprintslash([(f := x)],[x])"

I cannot change the style set. 

It seems that when I open old worksheets, some of the text imput, e.g., processes, is lost.

I upgraded to Maple 2025, but have the same issues. 

Any suggestions?

The two profit functions intersect at a certain point, but the graph is not clearly visible in the range of Cb​ from 30,000 to around 60,000. How can I adjust the plot to make this range more visible? What can i do such that two lines are seen distinct in that area?

Sheet:Q_12.mw

I'm solving the 1D heat equation using two different approaches, both involving Fourier transforms.

1. First Attempt: Using pdsolve the Fourier method. This code either takes a very long time or doesn't produce a plot at all.

2. Second Attempt: Manual Fourier transform. This one works fine and quickly plots the result.

Why does the first version using pdsolve(..., method = Fourier) result in slow or non-responsive behaviorplot3d, while the second version (manual transform) runs efficiently? Is the pdsolve result too symbolic or unevaluated for plotting? How can I make the first approach plot correctly?

Thanks for any insights!

ft1.mw

In this system of differential equation i have two questions
1- i want find thus parameter containing in S[1] and S[2] to be 1 or -1 how find find all other parameter inside thus for finding that?

2-when equalibroium point are complex the conservative quantity not shown thus point ? why is not shown in  diagram there is trick which i don't know How i can show in global? 
L1.mw

finding each parameter to set the point be one like this picture

Hi. how can i plot this function (FF) ?

Download PLOT11.mw

In the attached file, I would like to determine the real part of the complex term2. I'm asking for your help.test.mw

Download test.mw

The problem seems to be more with the editor than the MultiSet, but I can't think of a way how to ask the question outside of this context (I am very much not a programmer). MultiSet is a set with multiplicities, i.e. each of its element can belong more than once, for example

constructs MultiSet with a appearing twice, b - five times, and c - four times. Remove is the operation of removing element from a MultiSet, possibly with prescribed multiplicity, for example in

we asked Maple to remove three of b's, and therefore the MultiSet M was left with only two of them (the lone 2 in the output says how many are left, then M is displayed to ilustrate that). Both screenshots are taken from the linked maplesoft page on Remove.

However, when I repeat the same example on Maple 2025 (on a PC), I get something quite different

so that b is deleted from M altogether. I checked that this does not happen on Maple 2019 on another PC. While writing this question and playing with other examples of the same kind, I noticed (viewing what Maple stores in memory) that it seems that "Remove(M,b,3)" is executed twice whenever the cursor enters its line (without me executing it, and without producing output). The same happens with Insert. When I don't touch the line (e.g. if Remove is inside of a loop), everythig works as expected.

It seems that if a command directly changes an object (i.e. I don't need to redefine said object) then Maple executes it silently whenever the cursor touches it. I can't think of other commands that directly change objects (again, not a programmer, can't even think how to phrase it correctly). The question is as in the title: why and how Maple 2025 does that? I did check for options that look like enabling automatic execution but found nothing active and/or related. Any help will be much appreciated.

Suppose I have a variable (a) and I want it to print true in red if it is greater than one and false in blue otherwise. What would be the corresponding code?

i don't know how plot thus system and how is gonna give me the best shape sometime they add cos term and sometime they add sin term which i don't know the different between them the 2D and 3D even when i change the interval of t is not give me one of thus type  picture and i used the same parameter and i don't know where is problem?

chaotic-2.mw

in a lot of equation i have this problem which they find a condition by comparing  the  equation regarding to term must have 3 condition but i don't know why he found just one condition how we can get condition from E8&E9

Download C1.mw

i want to change tmy ODE equation to systems, this procedure is called galilian transformation as i saw , and this is just for second order or we can used for 3rd order and up too ?

there is a lot of example which i know by hand but i want to write by maple

in this equation i solved without polar which is not shown well without polar specially when a=0 without polar if we solve this  and the other point are complex which not shown like a point in plot, except point (0,0) other not fine, but i want to solve by polar for finding  limit cycle the polar way are so usefull and also for some nonlinear system how i can  change the system to polar and find r* and theta* and plot them ?

polar.mw

i want to plot the function appear in P but there is a variable t which appear from variable which my system is depending on u,v and must v appear in my function instead of exponential so exponential contain the t variable  there is any way for fixing this?

Download p1-1.mw

it is apear by sign of taking derivative from equation and substitute in it the sign less zero is stable otherwise is unstable but i want to shown by graph like shown in graph

plot-stablity-1equation.mw