Where to Find Code for Computing Roots of Generalized Laguerre Polynomials?

Can anyone help me with this?In summary, the person is asking for help finding a FORTRAN code that can find the roots of Laguerre polynomials, specifically for use in the pseudospectral method. They are looking for suggestions or assistance from anyone who may have knowledge or experience with this topic.
  • #1
vahid7mirzaei
2
0
Hi - does anyone know of a program library/subroutine/some other source, to find the zeros of a generalised Laguerre polynomial? ie. LαN(xi)=0
 
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  • #2
vahid7mirzaei said:
Hi - does anyone know of a program library/subroutine/some other source, to find the zeros of a generalised Laguerre polynomial? ie. LαN(xi)=0

Hi vahid7mirzaei,

The text of your question is an exact duplicate of the one in https://mathhelpboards.com/advanced-applied-mathematics-16/zeros-generalised-laguerre-polynomial-16714.html with just a loss of formatting.
It suggests that you are a spambot rather than a person.
Can you clarify what is going on?
 
  • #3
Hi, everyone.
I want to know about FORTRAN code for roots of Laguerre polynomials which is used in the pseudospectral method.
 

FAQ: Where to Find Code for Computing Roots of Generalized Laguerre Polynomials?

What are Laguerre polynomials Roots?

Laguerre polynomials Roots are the values of x that make the Laguerre polynomial equation equal to 0. These polynomials are solutions to a specific type of differential equation known as the Laguerre differential equation. They are commonly used in mathematics and physics, particularly in quantum mechanics.

How do you find the roots of Laguerre polynomials?

The roots of Laguerre polynomials can be found through a variety of methods, such as using recurrence relations, generating functions, or numerical methods. One common method is the Newton's method, which involves iteratively improving an initial guess for the roots until a desired level of accuracy is achieved.

What are the properties of Laguerre polynomials Roots?

Laguerre polynomials Roots have several important properties, including being real and positive, and having a specific pattern of alternating signs. They also have a close relationship with the Gamma function and can be used to solve various problems in mathematical physics, such as finding the energy levels of a quantum mechanical system.

How are Laguerre polynomials Roots used in practical applications?

Laguerre polynomials Roots have applications in various fields, such as signal processing, control systems, and image processing. They are also used in statistics for fitting probability distributions to data. In addition, they play a crucial role in the study of quantum mechanics and other areas of theoretical physics.

Are there any special cases of Laguerre polynomials Roots?

Yes, there are several special cases of Laguerre polynomials Roots. One example is when the Laguerre polynomial has a single root, which occurs when the degree of the polynomial is even and the leading coefficient is negative. Another special case is when the polynomial has only real roots, which occurs when the degree is a multiple of 4. These special cases have their own unique properties and have been studied extensively by mathematicians.

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