[Fortran 77] Subroutine for computing a global spherical har

In summary, a subroutine in Fortran 77 is a block of code that performs a specific task and can be called multiple times with its own set of input parameters and return values. It is commonly used to compute global spherical harmonics, which are mathematical functions that describe the variation of a physical quantity over the surface of a sphere. To compute a global spherical harmonic in Fortran 77, a subroutine designed specifically for this purpose can be used. This approach offers advantages such as modular and reusable code, organization, and easier debugging. Additionally, a Fortran 77 subroutine for computing global spherical harmonics can be adapted for other types of spherical harmonics by modifying the input parameters and mathematical algorithm used.
  • #1
Khairul Afifi
2
0
Greetings,

I want to ask if there is any subroutine for computing a global spherical harmonic reference field. I read journal and they say it exists, I hope we can share information regarding this subject.

Thank you in advance.
 
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  • #2
Welcome to PF!

Google is your friend.

Did you attempt a Google search?
 
  • #3
I tried google and I am still trying. I hope we share information regarding this subject.
 

FAQ: [Fortran 77] Subroutine for computing a global spherical har

What is a subroutine in Fortran 77?

A subroutine in Fortran 77 is a block of code that performs a specific task and can be called multiple times from different parts of a program. It can also have its own set of input parameters and return values.

What is a global spherical harmonic?

A global spherical harmonic is a mathematical function that describes the variation of a physical quantity over the surface of a sphere. It is commonly used in geodesy and geophysics to represent the Earth's gravitational field, magnetic field, or topography.

How do you compute a global spherical harmonic in Fortran 77?

To compute a global spherical harmonic in Fortran 77, you can use the subroutine designed specifically for this purpose. It typically takes in the required input parameters, such as the degree and order of the harmonic, and returns the corresponding value.

What are the advantages of using a subroutine for computing global spherical harmonics?

Using a subroutine for computing global spherical harmonics allows for modular and reusable code, reducing the need to rewrite the same code multiple times. It also makes the program more organized and easier to debug.

Can a Fortran 77 subroutine for computing global spherical harmonics be used for other types of spherical harmonics?

Yes, a Fortran 77 subroutine for computing global spherical harmonics can be adapted to compute other types of spherical harmonics, such as regional or local harmonics. This can be achieved by modifying the input parameters and the mathematical algorithm used in the subroutine.

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