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Saha

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1 years, 172 days
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These are questions asked by Saha

Error, (in dsolve/numeric/bvp/convertsys...

Saha 60 Maple 18
ode homework dsolve
May 03 2023
2 2

How to rectify this Error,in RK Method.Error, (in dsolve/numeric/bvp/convertsys) too few boundary conditions: expected 3, got 2.

I cound't plot p5,p6,p7.

If RK Method is suitable for this or not please tell the suitable numerical method code for this.Help me

IP-TEMP.mw

Error, index must evaluate to a name whe...

Saha 60 Maple 18
syntax homework differential-equations
April 07 2023
1 3

ADM-1.mw

I need a help for solving this non linear equation by Adomian Decomposition Method.How to find A0,A1,A2... and u1,u2,u3 and a series.I am getting this error,Please help me.
> 

restart
> 

PDEtools[declare](prime = x);

`derivatives with respect to`*x*`of functions of one variable will now be displayed with '`

 (1)
> 

equ1 := u[tt] = 1/2*(u[xx]+u[yy])+u^2:
> 

ICS; u(x, y, 0) = 1, u[t](x, y, 0) = e^(x+y), lambda = 0, u[0] = 1+t*e^(x+y), F(u[0]) = u[0]^2
> 

for n from 0 to 5 do A[n] := d^n*[F*(sum(lambda^i*u[i], i = 0 .. n))]/(factorial(n)*`dλ`^n); u[n+1] = (1/2)*int[diff(sum(u[n], n = 0 .. 5), x, x)+diff(sum(u[n], n = 0 .. 5), y, y), t = 0 .. t, t = 0 .. t, dt*dt]+int[A[n], t = 0 .. t, t = 0 .. t, dt*dt] end do
> 

``

Download ADM-1.mw

How do I solve this ODE?...

Saha 60 Maple 18
ode differential-equations
March 26 2023
0 0

I need help to solve this ODE,

I didn't get series values F(k+3),Theta(k+2),phi(k+2),error comes in summation values.and

How to find the unknown parameters A,B,C.

 TLF.mw

How to Solve Error, (in dsolve/numeric/b...

Saha 60 Maple 18
February 11 2023
1 0

Please Help,

I am trying to plot some movement equations, but the following error keeps happening:

Error, (in dsolve/numeric/process_input) system must be entered as a set/list of expressions/equations

when I tryed to rewrite the equation the error became:

Can someone help me with those errors?

Here is the code

pp.mw

How to Plot this ?...

Saha 60 Maple 18
ode homework dsolve
January 31 2023
1 0

Please Help!  The flow gets me like this,Where should i fix this problem.The flow changes for me fluctuate through the series range.What to do to get upflow in f(eta) and downflow in theta(eta)

 MVP.mw

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