A Spectral Method for Fourth-Order Mixed Inhomogeneous Boundary Value Problem in Three Dimensions

2015 ◽  
Vol 67 (3) ◽  
pp. 1247-1271 ◽  
Author(s):  
Tian-jun Wang
Keyword(s):  
Boundary Value Problem ◽  
Spectral Method ◽  
Fourth Order ◽  
Boundary Value ◽  
Three Dimensions

scholarly journals A Comparison between the fourth order linear differential equation with its boundary value problem

2020 ◽  
Vol 99 (3) ◽  
pp. 18-25
Author(s):  
Karwan H.F. Jwamer ◽  
◽  
Rando R.Q. Rasul ◽  
Keyword(s):  
Differential Equation ◽  
Boundary Value Problem ◽  
Linear Differential Equation ◽  
Fourth Order ◽  
Upper Bound ◽  
Boundary Value ◽  
Order Linear Differential Equation ◽  
Order Linear ◽  
Linear Differential

In this paper, we study a fourth order linear differential equation. We found an upper bound for the solutions of this differential equation and also, we prove that all the solutions are in L4(0, ∞). By comparing these results we obtain that all the eigenfunction of the boundary value problem generated by this differential equation are bounded and in L4(0, ∞).

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