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how to make pdsolve return other solutions to nonlinear PDE?
Is there an option, like AllSolutions used with solve, so that pdsolve would return all solutions to a PDE when it is nonlinear?I looked at pdsolve help and do not see a HINT that looks like might do...
View Articlewhy Maple sometimes uses _C1, _C2, etc.. for constants and sometimes...
I thought in Maple the standard was to use _C1, and _C2, etc... for constants in the solutions returned.Sometimes Maple mixes _C1 and c[2] in the same result. Is this common, to be expected sometimes...
View ArticlePDE_and_BC_during_2018_err
Hello, to all, On my computer I have installed Windows 7 Professional, Maple 2018.2.1 and Physics:-Version()[2]; 2019, January 5, 13:32 hours, version in the MapleCloud: 276, version installed in...
View Articlevariable spacestep for numerical solution of pde
Dear all, How can I input different spacesteps in numerical solution of PDE (Heat equation) with pdsolve of Maple?For example, the x range is x=0..L, and I'd like to solve the PDE with spacestep1=L/100...
View Articletimelimit does not work on some problems
This is using Maple 2018.2.1 and using Physics version MapleCloud 289 on windows 10, 64 bit with lots of RAM (64 GB). The call to timelimit hangs. Is there a workaround? restart; #and in new execution...
View Article2system of non coupled pde with coupled boundary condition
hii got a problem to solve 2 nonlinear pde equation that are not coupled but there is 8 coupled boundary condition. i can use pdsolve in maple.anyone can help me in numerical solving of these pdes?
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Maybe not the right place to tell about that?
I'm presently interested in PDE and I have just discovered the impressive work Nasser Abbasi,has done, and keeps doing, concerning the solution of PDE benchmarks with Maple and...
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pdsolve generate error PDEtools:-charstrip charstrip cannot handle derivatives
Hello pdsolve experts: Using Maple 2018.2.1 and Physics 292 on windows 10. pde := diff(w(x,y),x)+ (arccot(x)^n *y^2 + y- arccot(x)^n )*diff(w(x,y),y) = 0; pdsolve(pde,w(x,y));When I try...
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how I can Pdsolve this equation?
is possible to solvethis equation via maple?hank youEQUATION2.mw > > (1)> (2)> Boundary condition:> #####################################INITIAL CONDITIONS: > (3)...
View Articlepdsolve issue with heat PDE. map expects 2 or more arguments, but received 1
Hello Maple experts:Using Maple 2018.2.1 on windows, with Physics package version 301.There is some strange issue in parsing somewhere. This works r:='r'; u:='u'; t:='t';theta:='theta';k:='k';...
View ArticleNumerical solution of PDE in three independent variables
I understand that Maple 2018 is now able to solve 3 independent variable PDE & BC problems in bounded domains through separation of variables by product and eigenfunction expansion.My solution...
View Articlewhy some PDE's are not solved when upgraded to new version of Physics package?
UpdateI am not sure what happened, but now after starting Maple, these PDE's no longer hang. Even though I tried them before number of times before posting to make sure. This is strange. I do not know...
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Elliptical Pde solution
Dear sir,I am using the Maple to solve pde equations but I am not getting analytical solutions for some of the equations. Can you please help me on how to solve one of the pde, like as I have...
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pdsolve in Maple 2019 prints internal results to screen
This is a minor issue, but I noticed using Maple 2019, with Physics cloud version 331 that it prints on the screen some results from internal computation on some calls to pdsolveI have a ":" at the end...
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pdsolve and laplace PDE on semi-infinite domain
Hello Maple experts;I am not able to understand why Maple 2019 can solve Laplace PDE in 2D Catersian on semi-infinite domain, when the infinity is along the Y direction, but not along the X direction,...
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how to obtain this solution for wave PDE in 1D in Maple?
For this problemI'd like to see if Maple can give, or simplify the solution it now gives to look like this solution The one it currently gives is restart; pde:=diff(w(x,t),t)+c*diff(w(x,t),x)=0;...
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can Maple 2019 solve the heat PDE inside disk when there is theta dependency?
Maple pdsolve supports periodic boundary conditions. So I was hoping it will be able to solve the heat PDE inside disk with periodic boundary conditions. But I am not able to make it work. Is there a...
View ArticleHow do i solve and plot this PDE in maple?
How to plot the solution of pdepde:=diff(u(x,t),t) =K*diff(u(x,t),x, x); I can't step further, i can't insert boundary value problem, plz help me to solve pde.Hear u(x,t)->infinity when...
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Mixed boundary Problem
hi, i am trying to solve a PDE f(x,z,t) with mixed boundary conditions, while Maple just gives u(x,z,t)=0 which is incorrect, so i believe somewhere must be wrong, someone has an idea? Governing...
View ArticleHow to use pdsolve?
This may be a stupid question, but I am having elementary trouble with pdsolve.I have the following pde system:PDE:=[diff(f(x,xp),x)=-(1/2)*(L*xp+2*x)*kl,diff(f(x,xp),xp)=-(1/4)*kl*L*(L*xp+2*x)];Trying...
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