Solution of PDE system
Are there anyexamples ofnetworksolutionssuch as minesystems inMaple.I wrotein theMaplesystemof partial differential equationsdescribing the processof filtration combustion.I'ma novice.I do notquite...
View ArticleSolving a pde system
restart;with(DETools, diff_table);kB := 0.138064852e-22;R := 287.058;T := 293;p := 101325;rho := 0.1e-2*p/(R*T);vr := diff_table(v_r(r, z));vz := diff_table(v_z(r, z));eq_r := 0 = 0;eq_p :=...
View ArticleHow to solve a PDE?
Hi, i meet a partial differential equation seems not complicatedwith(PDEtools):PDE := (diff(f(x__1, x__2, p__1, p__2), x__1))*p__1/m-(diff(f(x__1, x__2, p__1, p__2),...
View ArticleHeat equation by anti-reduction method
hello everyonecan any one tell me what is this anti reduction method. In the paper of serdal palmuk,the link is given bellowhttp://www.hindawi.com/journals/mpe/2009/202307/in this paper question #4 is...
View ArticleSearching for a procedure in PDE
I have the following two PDEs:PDE := diff(u(x, t), t) = diff(u(x, t), x, x)+sin(x+t)-cos(x+t);IBC:= D[1](u)(0,t)=-sin(t), D[1](u)(1,t)=-sin(1+t), u(x,0)=cos(x);pds := pdsolve( PDE, [IBC], numeric, time...
View ArticleError in pdsolve
hi.i encounter error in pdsole equations with unknown parameter(N)??please help me for solve it....thanks alotmaple_prime.mw
View ArticleHow to pdsolve and plot this graph?
would like to draw the graph of x^2-1with below sys instead of x^2-1 sys := {-(1/2)*(-x-1+sqrt(-3*x^2-2*x-3))*(diff(y(a, b), b))/x^2+(diff(y(a, b), a))*(diff(y(a, b), b)),...
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Exporting plot data to MATLAB
Hello all,I am pretty new to Maple, but I am trying to understand something. I was able to find a numerical solution to a PDE in maple (with some community help, thanks guys!). I am trying to...
View ArticleProblem with wave equation
I am trying to find a general solution to the 1D-wave equationEq1:=diff(u(x,t),t$2)=diff(u(x,t),x$2);pdsolve(Eq1,HINT=f(x)*g(t)); # Hinting pdsolve gives general solution using separation of...
View ArticleSolving a system of PDE
Hello everyone!Can somebody help me to sovle the following system...
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Get result from pdsolve
hello , how i can exract value from pdsolve ,i need to use dU(x,R)/dR thank you > > (1)> (2)> (3)> (4)> (5)> (6)> > > > Download U(R)_numériqueg2.mw
View ArticleGet pdoslve/numeric value
Hi evrey ones in pdsolve we have these commande to use U(x,t) > U:= subs(pds:-value(output=listprocedure), u(x,t)); id like to get du(x,t)/dti tried these U:=...
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How do I solve following PDE system?
I have the following PDE system steaming from Flash Photolysis:when I use pdsolve(pdesys,[J,C]) I get:The solution appears to be either C(x,t) = 0 or J(x,t) = 0. This are the obvious solutions (0 = 0)....
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How to solve this PDE system?
hi .please help me for solve this equations.bbb2.mw(1)(2)(3)(4)(5)Error, (in dsolve/numeric/process_input) missing differential equations and initial or boundary conditions in the first argument: dsys...
View ArticleHow to write boundary condition in pdsolve?
I have the PDE u_{xx}+u_{yy} = 1 with BC: u|_{x^2+y^2=1} =0 ; how to write down the command of the BC in solving this PDE?, btw can I make maple show me how to solve this PDE analytically? Thanks in...
View ArticleConstants in pdsolve
HiI need to solve below integro-differential equation0.3846153846*(diff(F(x, y), y, y))+diff(F(x, y), x)-(diff(w(x), x, x))*y-(1/2)*(int(diff(F(x, y), x), y = -1 .. 1))+diff(F(x, y), x, x)-(diff(w(x),...
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how i can pdsolve this nonlinear equations
hi...please help me for solve this nonlinear equations with pdsolvethanksoffcenter2.mw (1)(2) (3) #####################################(4)at x=...
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Problem with a system of PDEs, how we can plot or extract results ?
i have runed below system of PDES as:c := 3*10^8; hbar := 0.105457148e-33; kB := 0.13806503e-22; epsilon0 :=...
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Error, (in pdsolve/numeric/process_PDEs) can only numerically solve PDE with...
hi .may every one help me for pdsolve this differential equations?all initial boundary condition are zerothanks...pdeSol_(1).mw > ## Define some parameters# sigma := 10; N := 0; beta := 1; alpha :=...
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Help for solving differential equations
sbbbr-1.mwsbbbr-1.mwsbbbr-1.mw> (1)> (2) > (3)> (4)> Error, (in pdsolve/sys/info) ambiguous input: the variables {`μ_g`, `μ_o`, `μ_w`, B_g,...
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