Savitzky-Golay Filter (G Dataflow)

A Boolean that specifies the initialization of the internal state of the node.

This node automatically initializes the internal state to zero on the first call and runs continuously until this input is True.

This input is available only if you wire a double-precision, floating-point number to signal.

Default: False

Input signal.

This input accepts the following data types:

• Double-precision, floating-point number
• 1D array of double-precision, floating-point numbers
• 1D array of complex double-precision, floating-point numbers
• Waveform
• 1D array of waveforms

The number of data points to each side of the current data point to use for the least-squares minimization.

side points * 2 + 1 is the length of the moving window, which must be greater than the polynomial order.

Default: 6

Order of the polynomial.

Default: 3

Weighting vector to use in the least squares minimization.

This array must be empty or have a length of side points * 2 + 1.

This input is available only if you wire one of the following data types to signal:

• 1D array of double-precision, floating-point numbers
• 1D array of complex double-precision, floating-point numbers
• Waveform
• 1D array of waveforms

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

Filtered signal.

This output can return the following data types:

• Double-precision, floating-point number
• 1D array of double-precision, floating-point numbers
• 1D array of complex double-precision, floating-point numbers
• Waveform
• 1D array of waveforms

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.