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Kelvin Functions be (G Dataflow)

Last Modified: March 15, 2017

Computes the complex Kelvin function of the first kind.

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x

The input argument.

Default: 0

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n

Order of the Kelvin function.

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error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Default: No error

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ber(x) + bei(x)i

Complex value of the Kelvin function of the first kind.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Algorithm for Computing the Complex Kelvin Function of the First Kind

The complex-valued Kelvin function of the first kind of order v is a solution of the following complex-valued differential equation.

x 2 d 4 w d x 4 + x d w d x ( i x 2 + v 2 ) w = 0

The real and imaginary parts of the Kelvin function of the first kind of order v are solutions of the following differential equation.

x 4 d 4 w d x 4 + 2 x 3 d 3 w d x 3 ( 1 + 2 v 2 ) ( x 2 d 2 w d x 2 x d w d x ) + ( v 4 4 v 2 + x 4 ) w = 0

The function is defined according to the following intervals for the input values.

n , ( x )

For any integer value of order n, the function is defined for all real values of x.

Where This Node Can Run:

Desktop OS: Windows

FPGA: This product does not support FPGA devices


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