Advanced Search

Question: Fourth order differential equation

Question:Fourth order differential equation

John Eric 80 Maple
ode dsolve bc
May 03 2016
0

Hello evrey one , I need help for solve these equation with boundary conditions 

 

 Boundary Conditions


My COde + equation 

NULL

> 

restart; with(plots); with(PDEtools)
> 

NULL
> 

NULL
> 

eq := diff(g(Y), `$`(Y, 4))+diff(g(Y), `$`(Y, 2))+g(Y);

diff(diff(diff(diff(g(Y), Y), Y), Y), Y)+diff(diff(g(Y), Y), Y)+g(Y)

 (1)
> 

cis := g(1/4) = 0, (D(g))(1/4) = 0, g(0) = 0, (D[2](g))(0) = 0

Error, (in evalapply) too few variables for the derivative with respect to the 2nd variable

  
> 

solut := dsolve([eq, cis], numeric)

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

  
> 

``
> 

NULL
> 

NULL

NULL

``

 

Download mp.mw

 

Thank you 

 
Please Wait...