Linear dependence of bessel equation

In summary, the Bessel equation is a second-order linear differential equation used to model physical phenomena with cylindrical or spherical symmetry. Its linear dependence allows for the use of linear algebra techniques to analyze solutions, leading to deeper insights and practical applications in physics and engineering. Techniques such as finding the Wronskian and using boundary or initial conditions can be used to determine the linear dependence of solutions to the Bessel equation.
  • #1
asdf1
734
0
why for bessel equations, if n isn't an integer, you can have the solution
y(x)=(c1)Jn(x) +(c2)J(-n)x
but isn't true if n's an integer?
 
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  • #2
Same answer as to your other question. Jn and J-n are not independent precisely because J-n= (-1)nJn.

http://www.ucl.ac.uk/~ucahdrb/MATHM242/LegBess.pdf
 
  • #3
thank you!
 

Related to Linear dependence of bessel equation

1. What is the Bessel equation and what does it represent?

The Bessel equation is a second-order differential equation that arises in many areas of mathematical physics, particularly in problems involving cylindrical or spherical symmetry. It is used to model physical phenomena such as heat conduction, fluid flow, and electromagnetic waves.

2. How is the Bessel equation related to linear dependence?

The Bessel equation is a linear differential equation, meaning that the dependent variable (usually denoted by y) and its derivatives appear in the equation only in a linear manner. This allows us to use linear algebra techniques to analyze its solutions and understand their relationships to each other.

3. What is the significance of the linear dependence of Bessel equation?

The linear dependence of the Bessel equation allows us to use techniques from linear algebra to study its solutions, which can provide deeper insights into the underlying physical phenomena being modeled. It also allows us to find linear combinations of solutions that satisfy the equation, which can be useful in practical applications.

4. Can the linear dependence of Bessel equation be applied to real-world problems?

Yes, the Bessel equation and its linear dependence have numerous applications in physics and engineering. For example, it is used to model heat conduction in cylindrical objects, the vibrations of a circular drumhead, and the propagation of electromagnetic waves in cylindrical waveguides.

5. How can one determine the linear dependence of solutions to the Bessel equation?

To determine the linear dependence of solutions to the Bessel equation, one can use techniques such as finding the Wronskian of two solutions and checking for non-zero constant multiples of each other. Additionally, one can use boundary conditions or initial conditions to find linear combinations of solutions that satisfy the equation.

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